__fastcall TActiveFormX::TActiveFormX(TComponent* AOwner) : TActiveForm(AOwner)
{
// create a new world
world = new cWorld();
// set background color
world->setBackgroundColor(0.0f,0.0f,0.0f);
// Create a camera
camera = new cCamera(world);
world->addChild(camera);
// Create a light source and attach it to camera
light = new cLight(world);
light->setEnabled(true);
light->setPos(cVector3d(2,1,1));
// define camera position
cameraAngleH = 10;
cameraAngleV = 20;
cameraDistance = 2.0;
flagCameraInMotion = false;
updateCameraPosition();
camera->setClippingPlanes(0.01, 10.0);
// create a display for graphic rendering
viewport = new cViewport(Panel1->Handle, camera, true);
viewport->setStereoOn(false);
// create a mesh - we will build a simple cube, and later let the
// user load 3d models
object = new cMesh(world);
world->addChild(object);
// create a nice little cube
createCube(object, 0.2);
// define a material property for this object
cMaterial material;
material.m_ambient.set( 0.4, 0.2, 0.2, 1.0 );
material.m_diffuse.set( 0.8, 0.6, 0.6, 1.0 );
material.m_specular.set( 0.9, 0.9, 0.9, 1.0 );
material.setShininess(100);
material.setStiffness(20 );
object->m_material = material;
// update camera position
updateCameraPosition();
// don't start the haptics loop yet
flagSimulationOn = false;
flagHasExitedSimulation = true;
}
void ofxSplineEditor::update(){
updateSpline();
updateSplineFileSystem();
updateSplinePoint();
updateCameraPosition();
editPointIndex.setMax(spline.GetPointNum());
}
void ofxFPSCamera::update(ofEventArgs&) {
if (controlsEnabled) {
if(b_back||b_fwd||b_strafe_left||b_strafe_right||b_strafe_up||b_strafe_down) {
updateCameraPosition();
}
if(b_roll_ccw||b_roll_cw||b_roll_reset||b_yaw_left||b_yaw_right||b_pitch_up||b_pitch_down) {
updateCameraRoll();
}
}
}
void __fastcall TActiveFormX::Timer1Timer(TObject *Sender)
{
// update camera position
updateCameraPosition();
// render world in display
if (viewport != NULL)
{
viewport->render();
}
}
void
updatePlayState(PlayState *playState, GameContext *gameContext, UserInput *userInput,
GameMemory *gameMemory) {
updateScrollingBackground(playState->scrollingBackground, gameContext);
updateCameraPosition(playState, gameContext);
updateEntities(playState, &playState->entityList, gameContext, userInput, gameMemory);
}
void frameRender()
{
// Déplacement de la caméra
updateCameraPosition();
// Dessin
g_pTechnique->GetPassByIndex(0)->Apply(0);
g_pD3DDevice->Draw(4, 0);
// Swapbuffer
g_pSwapChain->Present(0, 0);
}
void mouseMove(int x, int y)
{
if (flagCameraInMotion)
{
if (mouseButton == GLUT_RIGHT_BUTTON)
{
cameraDistance = cameraDistance - 0.01 * (y - mouseY);
}
else if (mouseButton == GLUT_LEFT_BUTTON)
{
cameraAngleH = cameraAngleH - (x - mouseX);
cameraAngleV = cameraAngleV + (y - mouseY);
}
}
updateCameraPosition();
mouseX = x;
mouseY = y;
}
// Updates the tileMap with the information in the baseGrid and the gameObjectGrid
void GameMap::step()
{
// Calculate the first visible tile from the map
cocos2d::Vec2 origin = cocos2d::Director::getInstance()->getVisibleOrigin();
// Update camera position
updateCameraPosition();
int offset_x = firstVisibleTile_x * tileWidth;
int offset_y = firstVisibleTile_y * tileHeight;
// Run through the tileMap and color the sprites according to the baseGrid and gameObjectGrid data
// Initialize x index of current tile
int currentTile_x = firstVisibleTile_x;
for (int x = 0; x < tileMap.size(); ++x) {
// Initialize y index of current tile
int currentTile_y = firstVisibleTile_y;
for (int y = 0; y < tileMap[x].size(); ++y) {
if (currentTile_x >= baseGrid.size() || currentTile_y >= baseGrid[currentTile_x].size()) {
tileMap[x][y]->setVisible(false);
} else if (baseGrid[currentTile_x][currentTile_y] == TileType::stone) {
tileMap[x][y]->setVisible(true);
tileMap[x][y]->setColor(stoneColour);
}
else if (baseGrid[currentTile_x][currentTile_y] == TileType::dirt) {
tileMap[x][y]->setVisible(true);
tileMap[x][y]->setColor(dirtColour);
}
else if (gameObjectGrid[currentTile_x][currentTile_y] == nullptr) { // empty
tileMap[x][y]->setVisible(true);
tileMap[x][y]->setColor(emptyColour);
}
else { // Game Object present
tileMap[x][y]->setVisible(true);
tileMap[x][y]->setColor(gameObjectGrid[currentTile_x][currentTile_y]->getColour());
}
++currentTile_y;
}
++currentTile_x;
}
}
void __fastcall TActiveFormX::Panel1MouseMove(TObject *Sender,
TShiftState Shift, int X, int Y)
{
if (flagCameraInMotion)
{
if (Shift.Contains(ssLeft))
{
cameraAngleH = cameraAngleH - (X - mouseX);
cameraAngleV = cameraAngleV + (Y - mouseY);
}
else if (Shift.Contains(ssRight))
{
cameraDistance = cameraDistance - 0.01 * (Y - mouseY);
}
updateCameraPosition();
}
mouseX = X;
mouseY = Y;
}
void initShader()
{
// Récupération des variables du shader
g_pMaterialAmbientColorVariable = g_pEffect->GetVariableByName("g_MaterialAmbientColor")->AsVector();
g_pMaterialDiffuseColorVariable = g_pEffect->GetVariableByName("g_MaterialDiffuseColor")->AsVector();
g_pMaterialSpecularColorVariable = g_pEffect->GetVariableByName("g_MaterialSpecularColor")->AsVector();
g_pMaterialShininessVariable = g_pEffect->GetVariableByName("g_MaterialShininess")->AsScalar();
g_pMaterialReflectivityVariable = g_pEffect->GetVariableByName("g_MaterialReflectivity")->AsScalar();
g_pMaterialTransmittivityVariable = g_pEffect->GetVariableByName("g_MaterialTransmittivity")->AsScalar();
g_pMaterialRefractionIndiceVariable = g_pEffect->GetVariableByName("g_MaterialRefractionIndice")->AsScalar();
g_pSpherePositionVariable = g_pEffect->GetVariableByName("g_SpherePosition")->AsVector();
g_pSphereRadiusVariable = g_pEffect->GetVariableByName("g_SphereRadius")->AsScalar();
g_pPlaneNormalVariable = g_pEffect->GetVariableByName("g_PlaneNormal")->AsVector();
g_pPlaneHeightVariable = g_pEffect->GetVariableByName("g_PlaneHeight")->AsScalar();
g_pLightPositionVariable = g_pEffect->GetVariableByName("g_LightPosition")->AsVector();
g_pLightDirectionVariable = g_pEffect->GetVariableByName("g_LightDirection")->AsVector();
g_pLightColorVariable = g_pEffect->GetVariableByName("g_LightColor")->AsVector();
g_pLightCosInnerConeVariable = g_pEffect->GetVariableByName("g_LightCosInnerCone")->AsScalar();
g_pLightCosOuterConeVariable = g_pEffect->GetVariableByName("g_LightCosOuterCone")->AsScalar();
g_pEyePositionVariable = g_pEffect->GetVariableByName("g_EyePosition")->AsVector();
g_pLookAtVariable = g_pEffect->GetVariableByName("g_LookAt")->AsVector();
g_pUpVariable = g_pEffect->GetVariableByName("g_Up")->AsVector();
g_pRatioVariable = g_pEffect->GetVariableByName("g_Ratio")->AsScalar();
g_pFovVariable = g_pEffect->GetVariableByName("g_Fov")->AsScalar();
// Initialisation des variables du shader
D3DXVECTOR3 materialAmbientColorArray[OBJECT_NUM];
D3DXVECTOR3 materialDiffuseColorArray[OBJECT_NUM];
D3DXVECTOR3 materialSpecularColorArray[OBJECT_NUM];
float materialShininessArray[OBJECT_NUM];
float materialReflectivityArray[OBJECT_NUM];
float materialTransmittivityArray[OBJECT_NUM];
float materialRefractionIndiceArray[OBJECT_NUM];
D3DXVECTOR3 spherePositionArray[SPHERE_NUM];
float sphereRadiusArray[SPHERE_NUM];
D3DXVECTOR3 planeNormalArray[PLANE_NUM];
float planeHeightArray[PLANE_NUM];
D3DXVECTOR3 lightPositionArray[LIGHT_NUM];
D3DXVECTOR3 lightDirectionArray[LIGHT_NUM];
D3DXVECTOR3 lightColorArray[LIGHT_NUM];
float lightCosInnerConeArray[LIGHT_NUM];
float lightCosOuterConeArray[LIGHT_NUM];
for(int i = 0; i < OBJECT_NUM; i++)
{
materialAmbientColorArray[i] = D3DXVECTOR3(0.0f, 0.01f, 0.02f);
materialDiffuseColorArray[i] = D3DXVECTOR3(0.0f, 0.4f, 0.8f);
materialSpecularColorArray[i] = D3DXVECTOR3(1.0f, 1.0f, 1.0f);
materialShininessArray[i] = 25.0f;
materialReflectivityArray[i] = 0.3f;
materialTransmittivityArray[i] = 0.2f;
materialRefractionIndiceArray[i] = 1.1f;
}
for(int i = 0; i < SPHERE_NUM; i++)
{
spherePositionArray[i] = D3DXVECTOR3(3.0f*cos(i*2.0f*PI/SPHERE_NUM), 1.0f, 3.0f*sin(i*2.0f*PI/SPHERE_NUM));
sphereRadiusArray[i] = 1.0f;
}
for(int i = 0; i < PLANE_NUM; i++)
{
planeNormalArray[i] = D3DXVECTOR3(0.0f, 1.0f, 0.0f);
planeHeightArray[i] = 0.0f;
}
for(int i = 0; i < LIGHT_NUM; i++)
{
lightPositionArray[i] = D3DXVECTOR3(-15.0f, 30.0f, 0.0f);
lightDirectionArray[i] = D3DXVECTOR3(0.4f, -0.6f, 0.0f);
lightColorArray[i] = D3DXVECTOR3(1.0f, 1.0f, 1.0f);
lightCosInnerConeArray[i] = 0.7f;
lightCosOuterConeArray[i] = 0.6f;
}
g_pMaterialAmbientColorVariable->SetFloatVectorArray((float *) materialAmbientColorArray, 0, OBJECT_NUM);
g_pMaterialDiffuseColorVariable->SetFloatVectorArray((float *) materialDiffuseColorArray, 0, OBJECT_NUM);
g_pMaterialSpecularColorVariable->SetFloatVectorArray((float *) materialSpecularColorArray, 0, OBJECT_NUM);
g_pMaterialShininessVariable->SetFloatArray(materialShininessArray, 0, OBJECT_NUM);
g_pMaterialReflectivityVariable->SetFloatArray(materialReflectivityArray, 0, OBJECT_NUM);
g_pMaterialTransmittivityVariable->SetFloatArray(materialTransmittivityArray, 0, OBJECT_NUM);
g_pMaterialRefractionIndiceVariable->SetFloatArray(materialRefractionIndiceArray, 0, OBJECT_NUM);
g_pSpherePositionVariable->SetFloatVectorArray((float *) spherePositionArray, 0, SPHERE_NUM);
g_pSphereRadiusVariable->SetFloatArray(sphereRadiusArray, 0, SPHERE_NUM);
g_pPlaneNormalVariable->SetFloatVectorArray((float *) planeNormalArray, 0, PLANE_NUM);
g_pPlaneHeightVariable->SetFloatArray(planeHeightArray, 0, PLANE_NUM);
g_pLightPositionVariable->SetFloatVectorArray((float *) lightPositionArray, 0, LIGHT_NUM);
g_pLightDirectionVariable->SetFloatVectorArray((float *) lightDirectionArray, 0, LIGHT_NUM);
g_pLightColorVariable->SetFloatVectorArray((float *) lightColorArray, 0, LIGHT_NUM);
g_pLightCosInnerConeVariable->SetFloatArray(lightCosInnerConeArray, 0, LIGHT_NUM);
g_pLightCosOuterConeVariable->SetFloatArray(lightCosOuterConeArray, 0, LIGHT_NUM);
updateCameraPosition();
g_pRatioVariable->SetFloat((float)SCREEN_WIDTH/(float)SCREEN_HEIGHT);
g_pFovVariable->SetFloat(FOV);
}
/* Updates the viewpoint according to the object being tracked */
static bool camTrackCamera()
{
PROPULSION_STATS *psPropStats;
DROID *psDroid;
bool bFlying = false;
/* Most importantly - see if the target we're tracking is dead! */
if(trackingCamera.target->died)
{
return(false);
}
/* Update the acceleration,velocity and position of the camera for movement */
updateCameraAcceleration(CAM_ALL);
updateCameraVelocity(CAM_ALL);
updateCameraPosition(CAM_ALL);
/* Update the acceleration,velocity and rotation of the camera for rotation */
/* You can track roll as well (z axis) but it makes you ill and looks
like a flight sim, so for now just pitch and orientation */
if(trackingCamera.target->type == OBJ_DROID)
{
psDroid = (DROID*)trackingCamera.target;
psPropStats = asPropulsionStats + psDroid->asBits[COMP_PROPULSION].nStat;
if (psPropStats->propulsionType == PROPULSION_TYPE_LIFT)
{
bFlying = true;
}
}
if(bRadarAllign || trackingCamera.target->type == OBJ_DROID)
{
if(bFlying)
{
updateCameraRotationAcceleration(CAM_ALL);
}
else
{
updateCameraRotationAcceleration(CAM_X_AND_Y);
}
}
if(bFlying)
{
updateCameraRotationVelocity(CAM_ALL);
updateCameraRotationPosition(CAM_ALL);
}
else
{
updateCameraRotationVelocity(CAM_X_AND_Y);
updateCameraRotationPosition(CAM_X_AND_Y);
}
/* Update the position that's now stored in trackingCamera.position */
player.p.x = trackingCamera.position.x;
player.p.y = trackingCamera.position.y;
player.p.z = trackingCamera.position.z;
/* Update the rotations that're now stored in trackingCamera.rotation */
player.r.x = trackingCamera.rotation.x;
player.r.y = trackingCamera.rotation.y;
player.r.z = trackingCamera.rotation.z;
/* There's a minimum for this - especially when John's VTOL code lets them land vertically on cliffs */
if(player.r.x>DEG(360+MAX_PLAYER_X_ANGLE))
{
player.r.x = DEG(360+MAX_PLAYER_X_ANGLE);
}
/* Clip the position to the edge of the map */
CheckScrollLimits();
/* Store away our last update as acceleration and velocity are all fn()/dt */
trackingCamera.lastUpdate = realTime;
if(bFullInfo)
{
flushConsoleMessages();
if(trackingCamera.target->type == OBJ_DROID)
{
printDroidInfo((DROID*)trackingCamera.target);
}
}
/* Switch off if we're jumping to a new location and we've got there */
if(getRadarTrackingStatus())
{
/* This will ensure we come to a rest and terminate the tracking
routine once we're close enough
*/
if (trackingCamera.velocity*trackingCamera.velocity + trackingCamera.acceleration*trackingCamera.acceleration < 1.f &&
trackingCamera.rotVel*trackingCamera.rotVel + trackingCamera.rotAccel*trackingCamera.rotAccel < 1.f)
{
setWarCamActive(false);
}
}
return(true);
}
int main(int argc, char* argv[])
{
//-----------------------------------------------------------------------
// INITIALIZATION
//-----------------------------------------------------------------------
printf ("\n");
printf ("-----------------------------------\n");
printf ("CHAI 3D\n");
printf ("Demo: 52-GEL-duck\n");
printf ("Copyright 2003-2010\n");
printf ("-----------------------------------\n");
printf ("\n\n");
printf ("Keyboard Options:\n\n");
printf ("[1] - Show GEL Skeleton\n");
printf ("[2] - Hide GEL Skeleton\n");
printf ("[x] - Exit application\n");
printf ("\n\n");
// parse first arg to try and locate resources
resourceRoot = string(argv[0]).substr(0,string(argv[0]).find_last_of("/\\")+1);
//-----------------------------------------------------------------------
// 3D - SCENEGRAPH
//-----------------------------------------------------------------------
// create a new world.
world = new cWorld();
// set the background color of the environment
// the color is defined by its (R,G,B) components.
world->setBackgroundColor(0.0, 0.0, 0.0);
world->setBackgroundColor(1.0, 1.0, 1.0);
// create a camera and insert it into the virtual world
camera = new cCamera(world);
world->addChild(camera);
// position and oriente the camera
// define a default position of the camera (described in spherical coordinates)
cameraAngleH = 0;
cameraAngleV = 45;
cameraDistance = 2.5;
updateCameraPosition();
// set the near and far clipping planes of the camera
// anything in front/behind these clipping planes will not be rendered
camera->setClippingPlanes(0.01, 10.0);
// enable higher rendering quality because we are displaying transparent objects
camera->enableMultipassTransparency(true);
// create a light source and attach it to the camera
light = new cLight(world);
camera->addChild(light); // attach light to camera
light->setEnabled(true); // enable light source
light->setPos(cVector3d( 2.0, 0.5, 1.0)); // position the light source
light->setDir(cVector3d(-2.0, 0.5, 1.0)); // define the direction of the light beam
light->setDirectionalLight(false);
light->m_ambient.set(0.5, 0.5, 0.5);
light->m_diffuse.set(0.7, 0.7, 0.7);
light->m_specular.set(0.9, 0.9, 0.9);
//-----------------------------------------------------------------------
// 2D - WIDGETS
//-----------------------------------------------------------------------
// create a 2D bitmap logo
logo = new cBitmap();
// add logo to the front plane
camera->m_front_2Dscene.addChild(logo);
// load a "chai3d" bitmap image file
bool fileload;
fileload = logo->m_image.loadFromFile(RESOURCE_PATH("resources/images/chai3d.bmp"));
if (!fileload)
{
#if defined(_MSVC)
fileload = logo->m_image.loadFromFile("../../../bin/resources/images/chai3d.bmp");
#endif
}
// position the logo at the bottom left of the screen (pixel coordinates)
logo->setPos(10, 10, 0);
// scale the logo along its horizontal and vertical axis
logo->setZoomHV(0.4, 0.4);
// here we replace all black pixels (0,0,0) of the logo bitmap
// with transparent black pixels (0, 0, 0, 0). This allows us to make
// the background of the logo look transparent.
logo->m_image.replace(
cColorb(0, 0, 0), // original RGB color
cColorb(0, 0, 0, 0) // new RGBA color
);
// enable transparency
logo->enableTransparency(true);
//-----------------------------------------------------------------------
// HAPTIC DEVICES / TOOLS
//-----------------------------------------------------------------------
// create a haptic device handler
handler = new cHapticDeviceHandler();
// get access to the first available haptic device
handler->getDevice(hapticDevice, 0);
// retrieve information about the current haptic device
cHapticDeviceInfo info;
if (hapticDevice)
{
hapticDevice->open();
info = hapticDevice->getSpecifications();
}
// desired workspace radius of the cursor
cursorWorkspaceRadius = 0.8;
// read the scale factor between the physical workspace of the haptic
// device and the virtual workspace defined for the tool
workspaceScaleFactor = cursorWorkspaceRadius / info.m_workspaceRadius;
// define a scale factor between the force perceived at the cursor and the
// forces actually sent to the haptic device
deviceForceScale = 0.005 * (info.m_maxForceStiffness / workspaceScaleFactor);
// define a force scale factor for the current haptic device.
const double FORCE_REFERENCE = 10.0;
deviceForceScale = info.m_maxForce / FORCE_REFERENCE;
// create a large sphere that represents the haptic device
deviceRadius = 0.12;
device = new cShapeSphere(deviceRadius);
world->addChild(device);
device->m_material.m_ambient.set(0.4, 0.4, 0.4, 0.7);
device->m_material.m_diffuse.set(0.7, 0.7, 0.7, 0.7);
device->m_material.m_specular.set(1.0, 1.0, 1.0, 0.7);
device->m_material.setShininess(100);
stiffness = 40;
//-----------------------------------------------------------------------
// COMPOSE THE VIRTUAL SCENE
//-----------------------------------------------------------------------
// create a world which supports deformable object
defWorld = new cGELWorld();
world->addChild(defWorld);
world->setPos(-1.5, 0.0, -0.1);
world->rotate(cVector3d(0,1,0), cDegToRad(30));
//-----------------------------------------------------------------------
// COMPOSE THE WATER
//-----------------------------------------------------------------------
ground = new cGELMesh(world);
ground->m_useMassParticleModel = true;
defWorld->m_gelMeshes.push_back(ground);
cGELMassParticle::default_mass = 0.010;
cGELMassParticle::default_kDampingPos = 0.4;
cGELMassParticle::default_gravity.set(0,0,0);
int u,v;
int RESOLUTION = 15;
double SIZE = 3.5;
for (v=0; v<RESOLUTION; v++)
{
for (u=0; u<RESOLUTION; u++)
{
double px, py, tu, tv;
// compute the position of the vertex
px = SIZE / (double)RESOLUTION * (double)u - (SIZE/2.0);
py = SIZE / (double)RESOLUTION * (double)v - (SIZE/2.0);
// create new vertex
unsigned int index = ground->newVertex(px, py, level);
cVertex* vertex = ground->getVertex(index);
// compute texture coordinate
tu = (double)u / (double)RESOLUTION;
tv = (double)v / (double)RESOLUTION;
vertex->setTexCoord(tu, tv);
vertex->setColor(cColorf(1.0, 0.0, 0.1));
}
}
ground->buildVertices();
for (v=0; v<RESOLUTION; v++)
{
for (u=0; u<RESOLUTION; u++)
{
if ((u == 0) || (v == 0) || (u == (RESOLUTION-1)) || (v == (RESOLUTION-1)))
{
// create new vertex
unsigned int index = ((v + 0) * RESOLUTION) + (u + 0);
ground->m_gelVertices[index].m_massParticle->m_fixed = true;
}
}
}
cGELLinearSpring::default_kSpringElongation = 10.0; // [N/m]
// Create a triangle based map using the above pixels
for (v=0; v<(RESOLUTION-1); v++)
{
for (u=0; u<(RESOLUTION-1); u++)
{
// get the indexing numbers of the next four vertices
unsigned int index00 = ((v + 0) * RESOLUTION) + (u + 0);
unsigned int index01 = ((v + 0) * RESOLUTION) + (u + 1);
unsigned int index10 = ((v + 1) * RESOLUTION) + (u + 0);
unsigned int index11 = ((v + 1) * RESOLUTION) + (u + 1);
// create two new triangles
ground->newTriangle(index00, index01, index10);
ground->newTriangle(index10, index01, index11);
cGELMassParticle* m0 = ground->m_gelVertices[index00].m_massParticle;
cGELMassParticle* m1 = ground->m_gelVertices[index01].m_massParticle;
cGELMassParticle* m2 = ground->m_gelVertices[index10].m_massParticle;
cGELLinearSpring* spring0 = new cGELLinearSpring(m0, m1);
cGELLinearSpring* spring1 = new cGELLinearSpring(m0, m2);
ground->m_linearSprings.push_back(spring0);
ground->m_linearSprings.push_back(spring1);
}
}
double transparencyLevel = 0.7;
ground->setUseMaterial(true);
ground->m_material.m_ambient.set(0.6, 0.6, 0.6, transparencyLevel);
ground->m_material.m_diffuse.set(0.8, 0.8, 0.8, transparencyLevel);
ground->m_material.m_specular.set(0.9, 0.9, 0.9, transparencyLevel);
ground->setTransparencyLevel(transparencyLevel);
ground->setUseTransparency(true);
cTexture2D* textureGround = new cTexture2D();
ground->setTexture(textureGround);
ground->setUseTexture(true, true);
fileload = textureGround->loadFromFile(RESOURCE_PATH("resources/images/aqua.bmp"));
if (!fileload)
{
#if defined(_MSVC)
fileload = textureGround->loadFromFile("../../../bin/resources/images/aqua.bmp" );
#endif
if (!fileload)
{
printf("Error - 3D Texture failed to load correctly.\n");
close();
return (-1);
}
}
//-----------------------------------------------------------------------
// COMPOSE SOME REFLEXION
//-----------------------------------------------------------------------
cGenericObject* reflexion = new cGenericObject();
world->addChild(reflexion);
cMatrix3d rot;
rot.set(1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
0.0, 0.0, -1.0);
reflexion->setRot(rot);
reflexion->addChild(defWorld);
reflexion->setPos(0.0, 0.0, 2.0 * level);
cGenericObject* reflexionTool = new cGenericObject();
reflexion->addChild(reflexionTool);
reflexionTool->addChild(device);
reflexionTool->setPos(0.0, 0.0, -0.5 * level);
// Play with thse numbers carefully!
defWorld->m_integrationTime = 0.001;
// create a deformable mesh
defObject = new cGELMesh(world);
defWorld->m_gelMeshes.push_front(defObject);
//-----------------------------------------------------------------------
// BUILD THE DUCK!
//-----------------------------------------------------------------------
if (USE_SKELETON_MODEL)
{
fileload = createSkeletonMesh(defObject, RESOURCE_PATH("resources/models/ducky/duck-200.off"), RESOURCE_PATH("resources/models/ducky/duck-full.obj"));
if (!fileload)
{
#if defined(_MSVC)
fileload = createSkeletonMesh(defObject, "../../../bin/resources/models/ducky/duck-200.off", "../../../bin/resources/models/ducky/duck-full.obj");
#endif
if (!fileload)
{
printf("Error - 3D Model failed to load correctly.\n");
close();
return (-1);
}
}
}
else
{
fileload = createTetGenMesh(defObject, RESOURCE_PATH("resources/models/ducky/duck-1200.off"), RESOURCE_PATH("resources/models/ducky/duck-green.obj"));
if (!fileload)
{
#if defined(_MSVC)
fileload = createTetGenMesh(defObject, "../../../bin/resources/models/ducky/duck-1200.off", "../../../bin/resources/models/ducky/duck-green.obj");
#endif
if (!fileload)
{
printf("Error - 3D Model failed to load correctly.\n");
close();
return (-1);
}
}
}
//-----------------------------------------------------------------------
// OPEN GL - WINDOW DISPLAY
//-----------------------------------------------------------------------
// initialize GLUT
glutInit(&argc, argv);
// retrieve the resolution of the computer display and estimate the position
// of the GLUT window so that it is located at the center of the screen
int screenW = glutGet(GLUT_SCREEN_WIDTH);
int screenH = glutGet(GLUT_SCREEN_HEIGHT);
int windowPosX = (screenW - WINDOW_SIZE_W) / 2;
int windowPosY = (screenH - WINDOW_SIZE_H) / 2;
// initialize the OpenGL GLUT window
glutInitWindowPosition(windowPosX, windowPosY);
glutInitWindowSize(WINDOW_SIZE_W, WINDOW_SIZE_H);
glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
glutCreateWindow(argv[0]);
glutMouseFunc(mouseClick);
glutMotionFunc(mouseMove);
glutDisplayFunc(updateGraphics);
glutKeyboardFunc(keySelect);
glutReshapeFunc(resizeWindow);
glutSetWindowTitle("CS 268 - Sonny Chan & Francois Conti - March 2009");
// create a mouse menu (right button)
glutCreateMenu(menuSelect);
glutAddMenuEntry("full screen", OPTION_FULLSCREEN);
glutAddMenuEntry("window display", OPTION_WINDOWDISPLAY);
glutAddMenuEntry("show skeleton", OPTION_SHOWSKELETON);
glutAddMenuEntry("hide skeleton", OPTION_HIDESKELETON);
glutAttachMenu(GLUT_RIGHT_BUTTON);
//-----------------------------------------------------------------------
// START SIMULATION
//-----------------------------------------------------------------------
// simulation in now running
simulationRunning = true;
// create a thread which starts the main haptics rendering loop
cThread* hapticsThread = new cThread();
hapticsThread->set(updateHaptics, CHAI_THREAD_PRIORITY_HAPTICS);
// start the main graphics rendering loop
glutMainLoop();
// close everything
close();
// exit
return (0);
}
void updateHaptics(void)
{
// state machine
const int STATE_IDLE = 1;
const int STATE_MODIFY_MAP = 2;
const int STATE_MOVE_CAMERA = 3;
int state = STATE_IDLE;
// current tool position
cVector3d toolGlobalPos; // global world coordinates
cVector3d toolLocalPos; // local coordinates
// previous tool position
cVector3d prevToolGlobalPos; // global world coordinates
cVector3d prevToolLocalPos; // local coordinates
// main haptic simulation loop
while(simulationRunning)
{
// compute global reference frames for each object
world->computeGlobalPositions(true);
// update position and orientation of tool
tool->updatePose();
// compute interaction forces
tool->computeInteractionForces();
// read user switch
bool userSwitch = tool->getUserSwitch(0);
// update tool position
toolGlobalPos = tool->getDeviceGlobalPos();
toolLocalPos = tool->getDeviceLocalPos();
if ((state == STATE_MOVE_CAMERA) && (!userSwitch))
{
state = STATE_IDLE;
// enable haptic interaction with map
object->setHapticEnabled(true, true);
}
else if (((state == STATE_MODIFY_MAP) && (!userSwitch)) ||
((state == STATE_MODIFY_MAP) && (!tool->isInContact(magneticLine))))
{
state = STATE_IDLE;
// disable magnetic line
magneticLine->setHapticEnabled(false);
magneticLine->setShowEnabled(false);
// disable spheres
sphereA->setShowEnabled(false);
sphereB->setShowEnabled(false);
// enable haptic interaction with map
object->setHapticEnabled(true, true);
// disable forces
tool->setForcesOFF();
// update bounding box (can take a little time)
object->createAABBCollisionDetector(1.01 * proxyRadius, true, false);
// enable forces again
tool->setForcesON();
}
// user clicks with the mouse
else if ((state == STATE_IDLE) && (userSwitch))
{
// start deforming object
if (tool->isInContact(object))
{
state = STATE_MODIFY_MAP;
// update position of line
cVector3d posA = toolGlobalPos;
posA.z =-0.7;
cVector3d posB = toolGlobalPos;
posB.z = 0.7;
magneticLine->m_pointA = posA;
magneticLine->m_pointB = posB;
// update position of spheres
sphereA->setPos(posA);
sphereB->setPos(posB);
// enable spheres
sphereA->setShowEnabled(true);
sphereB->setShowEnabled(true);
// enable magnetic line
magneticLine->setHapticEnabled(true);
magneticLine->setShowEnabled(true);
// disable haptic interaction with map
object->setHapticEnabled(false, true);
}
// start moving camera
else
{
state = STATE_MOVE_CAMERA;
// disable haptic interaction with map
object->setHapticEnabled(false, true);
}
}
// modify map
else if (state == STATE_MODIFY_MAP)
{
// compute tool offset
cVector3d offset = toolGlobalPos - prevToolGlobalPos;
// map offset on z axis
double offsetHeight = offset.z;
// apply offset to all vertices through a weighted function
int numVertices = object->getNumVertices(true);
for (int i=0; i<numVertices; i++)
{
// get next vertex
cVertex* vertex = object->getVertex(i, true);
// compute distance between vertex and tool
cVector3d posTool = tool->getProxyGlobalPos();
cVector3d posVertex = vertex->getPos();
double distance = cDistance(posTool, posVertex);
// compute factor
double RADIUS = 0.4;
double relativeDistance = distance / RADIUS;
double clampedRelativeDistance = cClamp01(relativeDistance);
double w = 0.5 + 0.5 * cos(clampedRelativeDistance * CHAI_PI);
// apply offset
double offsetVertexHeight = w * offsetHeight;
posVertex.z = posVertex.z + offsetVertexHeight;
vertex->setPos(posVertex);
}
}
// move camera
else if (state == STATE_MOVE_CAMERA)
{
// compute tool offset
cVector3d offset = toolLocalPos - prevToolLocalPos;
// apply camera motion
cameraDistance = cameraDistance - 2 * offset.x;
cameraAngleH = cameraAngleH - 40 * offset.y;
cameraAngleV = cameraAngleV - 40 * offset.z;
updateCameraPosition();
}
// store tool position
prevToolLocalPos = toolLocalPos;
prevToolGlobalPos = toolGlobalPos;
// send forces to device
tool->applyForces();
}
// exit haptics thread
simulationFinished = true;
}
int main(int argc, char* argv[])
{
//-----------------------------------------------------------------------
// INITIALIZATION
//-----------------------------------------------------------------------
printf ("\n");
printf ("-----------------------------------\n");
printf ("CHAI 3D\n");
printf ("Demo: 20-map\n");
printf ("Copyright 2003-2010\n");
printf ("-----------------------------------\n");
printf ("\n\n");
printf ("Instructions:\n\n");
printf ("- Use left mouse button to rotate camera view. \n");
printf ("- Use right mouse button to control camera zoom. \n");
printf ("- Use haptic device and user switch to rotate \n");
printf (" camera or deform terrain. \n");
printf ("\n\n");
printf ("Keyboard Options:\n\n");
printf ("[1] - Texture (ON/OFF)\n");
printf ("[2] - Wireframe (ON/OFF)\n");
printf ("[x] - Exit application\n");
printf ("\n\n");
// parse first arg to try and locate resources
resourceRoot = string(argv[0]).substr(0,string(argv[0]).find_last_of("/\\")+1);
//-----------------------------------------------------------------------
// 3D - SCENEGRAPH
//-----------------------------------------------------------------------
// create a new world.
world = new cWorld();
// set the background color of the environment
// the color is defined by its (R,G,B) components.
world->setBackgroundColor(0.1, 0.1, 0.1);
// create a camera and insert it into the virtual world
camera = new cCamera(world);
world->addChild(camera);
// define a default position of the camera (described in spherical coordinates)
cameraAngleH = 0;
cameraAngleV = 45;
cameraDistance = 1.8 * MESH_SCALE_SIZE;
updateCameraPosition();
// set the near and far clipping planes of the camera
// anything in front/behind these clipping planes will not be rendered
camera->setClippingPlanes(0.01, 10.0);
// create a light source and attach it to the camera
light = new cLight(world);
camera->addChild(light); // attach light to camera
light->setEnabled(true); // enable light source
light->setPos(cVector3d( 0.0, 0.3, 0.3)); // position the light source
light->setDir(cVector3d(-1.0,-0.1, -0.1)); // define the direction of the light beam
light->m_ambient.set(0.5, 0.5, 0.5);
light->m_diffuse.set(0.8, 0.8, 0.8);
light->m_specular.set(1.0, 1.0, 1.0);
//-----------------------------------------------------------------------
// 2D - WIDGETS
//-----------------------------------------------------------------------
// create a 2D bitmap logo
logo = new cBitmap();
// add logo to the front plane
camera->m_front_2Dscene.addChild(logo);
// load a "chai3d" bitmap image file
bool fileload;
fileload = logo->m_image.loadFromFile(RESOURCE_PATH("resources/images/chai3d.bmp"));
if (!fileload)
{
#if defined(_MSVC)
fileload = logo->m_image.loadFromFile("../../../bin/resources/images/chai3d.bmp");
#endif
}
// position the logo at the bottom left of the screen (pixel coordinates)
logo->setPos(10, 10, 0);
// scale the logo along its horizontal and vertical axis
logo->setZoomHV(0.4, 0.4);
// here we replace all black pixels (0,0,0) of the logo bitmap
// with transparent black pixels (0, 0, 0, 0). This allows us to make
// the background of the logo look transparent.
logo->m_image.replace(
cColorb(0, 0, 0), // original RGB color
cColorb(0, 0, 0, 0) // new RGBA color
);
// enable transparency
logo->enableTransparency(true);
//-----------------------------------------------------------------------
// HAPTIC DEVICES / TOOLS
//-----------------------------------------------------------------------
// create a haptic device handler
handler = new cHapticDeviceHandler();
// get access to the first available haptic device
cGenericHapticDevice* hapticDevice;
handler->getDevice(hapticDevice, 0);
// retrieve information about the current haptic device
cHapticDeviceInfo info;
if (hapticDevice)
{
info = hapticDevice->getSpecifications();
}
// create a 3D tool and add it to the world
tool = new cGeneric3dofPointer(world);
// attach tool to camera
camera->addChild(tool);
// position tool workspace in front of camera (x-axis of camera reference pointing towards the viewer)
tool->setPos(-cameraDistance, 0.0, 0.0);
// connect the haptic device to the tool
tool->setHapticDevice(hapticDevice);
// initialize tool by connecting to haptic device
tool->start();
// map the physical workspace of the haptic device to a larger virtual workspace.
tool->setWorkspaceRadius(1.0);
// define a radius for the tool (graphical display)
tool->setRadius(0.03);
// hide the device sphere. only show proxy.
tool->m_deviceSphere->setShowEnabled(false);
// set the physical readius of the proxy.
proxyRadius = 0.0;
tool->m_proxyPointForceModel->setProxyRadius(proxyRadius);
tool->m_proxyPointForceModel->m_collisionSettings.m_checkBothSidesOfTriangles = false;
//-----------------------------------------------------------------------
// COMPOSE THE VIRTUAL SCENE
//-----------------------------------------------------------------------
// create a new mesh to display a height map
object = new cMesh(world);
world->addChild(object);
// load default map
loadHeightMap();
// read the scale factor between the physical workspace of the haptic
// device and the virtual workspace defined for the tool
double workspaceScaleFactor = tool->getWorkspaceScaleFactor();
// define a maximum stiffness that can be handled by the current
// haptic device. The value is scaled to take into account the
// workspace scale factor
double stiffnessMax = info.m_maxForceStiffness / workspaceScaleFactor;
object->setStiffness(0.5 * stiffnessMax, true);
// create a small vertical white magnetic line that will be activated when the
// user deforms the mesh.
magneticLine = new cShapeLine(cVector3d(0,0,0), cVector3d(0,0,0));
world->addChild(magneticLine);
magneticLine->m_ColorPointA.set(0.6, 0.6, 0.6);
magneticLine->m_ColorPointB.set(0.6, 0.6, 0.6);
magneticLine->setShowEnabled(false);
// set haptic properties
magneticLine->m_material.setStiffness(0.05 * stiffnessMax);
magneticLine->m_material.setMagnetMaxForce(0.2 * info.m_maxForce);
magneticLine->m_material.setMagnetMaxDistance(0.25);
magneticLine->m_material.setViscosity(0.05 * info.m_maxLinearDamping);
// create a haptic magnetic effect
cEffectMagnet* newEffect = new cEffectMagnet(magneticLine);
magneticLine->addEffect(newEffect);
// disable haptic feedback for now
magneticLine->setHapticEnabled(false);
// create two sphere that will be added at both ends of the line
sphereA = new cShapeSphere(0.02);
sphereB = new cShapeSphere(0.02);
world->addChild(sphereA);
world->addChild(sphereB);
sphereA->setShowEnabled(false);
sphereB->setShowEnabled(false);
// define some material properties for spheres
cMaterial matSphere;
matSphere.m_ambient.set(0.5, 0.2, 0.2);
matSphere.m_diffuse.set(0.8, 0.4, 0.4);
matSphere.m_specular.set(1.0, 1.0, 1.0);
sphereA->setMaterial(matSphere);
sphereB->setMaterial(matSphere);
//-----------------------------------------------------------------------
// OPEN GL - WINDOW DISPLAY
//-----------------------------------------------------------------------
// initialize GLUT
glutInit(&argc, argv);
// retrieve the resolution of the computer display and estimate the position
// of the GLUT window so that it is located at the center of the screen
int screenW = glutGet(GLUT_SCREEN_WIDTH);
int screenH = glutGet(GLUT_SCREEN_HEIGHT);
int windowPosX = (screenW - WINDOW_SIZE_W) / 2;
int windowPosY = (screenH - WINDOW_SIZE_H) / 2;
// initialize the OpenGL GLUT window
glutInitWindowPosition(windowPosX, windowPosY);
glutInitWindowSize(WINDOW_SIZE_W, WINDOW_SIZE_H);
glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
glutCreateWindow(argv[0]);
glutDisplayFunc(updateGraphics);
glutMouseFunc(mouseClick);
glutMotionFunc(mouseMove);
glutKeyboardFunc(keySelect);
glutReshapeFunc(resizeWindow);
glutSetWindowTitle("CHAI 3D");
//-----------------------------------------------------------------------
// START SIMULATION
//-----------------------------------------------------------------------
// simulation in now running
simulationRunning = true;
// create a thread which starts the main haptics rendering loop
cThread* hapticsThread = new cThread();
hapticsThread->set(updateHaptics, CHAI_THREAD_PRIORITY_HAPTICS);
// start the main graphics rendering loop
glutMainLoop();
// close everything
close();
// exit
return (0);
}
/* Updates the viewpoint according to the object being tracked */
BOOL camTrackCamera( void )
{
PROPULSION_STATS *psPropStats;
DROID *psDroid;
BOOL bFlying;
bFlying = false;
/* Most importantly - see if the target we're tracking is dead! */
if(trackingCamera.target->died)
{
setFindNewTarget();
return(false);
}
/* Cancel tracking if it's no longer selected.
This may not be desirable? */
if(trackingCamera.target->type == OBJ_DROID)
{
// if(!trackingCamera.target->selected)
// {
// return(false);
// }
}
/* Update the acceleration,velocity and position of the camera for movement */
updateCameraAcceleration(CAM_ALL);
updateCameraVelocity(CAM_ALL);
updateCameraPosition(CAM_ALL);
/* Update the acceleration,velocity and rotation of the camera for rotation */
/* You can track roll as well (z axis) but it makes you ill and looks
like a flight sim, so for now just pitch and orientation */
if(trackingCamera.target->type == OBJ_DROID)
{
psDroid = (DROID*)trackingCamera.target;
psPropStats = asPropulsionStats + psDroid->asBits[COMP_PROPULSION].nStat;
if (psPropStats->propulsionType == PROPULSION_TYPE_LIFT)
{
bFlying = true;
}
}
/*
bIsBuilding = false;
if(trackingCamera.target->type == OBJ_DROID)
{
psDroid= (DROID*)trackingCamera.target;
if(DroidIsBuilding(psDroid))
{
bIsBuilding = true;
}
}
*/
if(bRadarAllign || trackingCamera.target->type == OBJ_DROID)
{
if(bFlying)
{
updateCameraRotationAcceleration(CAM_ALL);
}
else
{
updateCameraRotationAcceleration(CAM_X_AND_Y);
}
}
if(bFlying)
{
updateCameraRotationVelocity(CAM_ALL);
updateCameraRotationPosition(CAM_ALL);
}
/*
else if(bIsBuilding)
{
updateCameraRotationVelocity(CAM_X_ONLY);
}
*/
else
{
updateCameraRotationVelocity(CAM_X_AND_Y);
updateCameraRotationPosition(CAM_X_AND_Y);
}
/* Record the old positions for comparison */
oldPosition.x = player.p.x;
oldPosition.y = player.p.y;
oldPosition.z = player.p.z;
/* Update the position that's now stored in trackingCamera.position */
player.p.x = trackingCamera.position.x;
player.p.y = trackingCamera.position.y;
player.p.z = trackingCamera.position.z;
/* Record the old positions for comparison */
oldRotation.x = player.r.x;
oldRotation.y = player.r.y;
oldRotation.z = player.r.z;
/* Update the rotations that're now stored in trackingCamera.rotation */
player.r.x = trackingCamera.rotation.x;
/*if(!bIsBuilding)*/
player.r.y = trackingCamera.rotation.y;
player.r.z = trackingCamera.rotation.z;
/* There's a minimum for this - especially when John's VTOL code lets them land vertically on cliffs */
if(player.r.x>DEG(360+MAX_PLAYER_X_ANGLE))
{
player.r.x = DEG(360+MAX_PLAYER_X_ANGLE);
}
/*
if(bIsBuilding)
{
player.r.y+=DEG(1);
}
*/
/* Clip the position to the edge of the map */
CheckScrollLimits();
/* Store away our last update as acceleration and velocity are all fn()/dt */
trackingCamera.lastUpdate = gameTime2;
if(bFullInfo)
{
flushConsoleMessages();
if(trackingCamera.target->type == OBJ_DROID)
{
printDroidInfo((DROID*)trackingCamera.target);
}
}
/* Switch off if we're jumping to a new location and we've got there */
if(getRadarTrackingStatus())
{
/* This will ensure we come to a rest and terminate the tracking
routine once we're close enough
*/
if(getRotationMagnitude()<10000)
{
if(getPositionMagnitude() < 60)
{
setWarCamActive(false);
}
}
}
return(true);
}
bool Visualization::update()
{
if (!m_initialized)
{
printf("Visualization has not been yet initialized.");
return false;
}
// Compute the time since last update (in seconds).
Uint32 time = SDL_GetTicks();
float dt = (time - m_lastTickCount) / 1000.0f;
m_lastTickCount = time;
bool singleSimulationStep = false;
bool scrollForward = false;
bool scrollBackward = false;
int mscroll = 0;
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
// Handle any key presses here.
if (event.key.keysym.sym == SDLK_ESCAPE) //Escape.
{
m_stopRequested = true;
}
else if (event.key.keysym.sym == SDLK_SPACE)
{
m_paused = !m_paused;
}
else if (event.key.keysym.sym == SDLK_TAB)
{
singleSimulationStep = true;
}
else if (event.key.keysym.sym == SDLK_r)
{
float pos[3] = {-15, 0, 15};
m_crowd->pushAgentPosition(0, pos);
}
else if (event.key.keysym.sym == SDLK_KP7)
{
float pos[3] = {-19, 0, -19};
dtVnormalize(pos);
dtVscale(pos, pos, 2.f);
dtCrowdAgent ag;
m_crowd->fetchAgent(ag, 0);
dtVcopy(ag.velocity, pos);
m_crowd->pushAgent(ag);
}
else if (event.key.keysym.sym == SDLK_KP9)
{
float pos[] = {19, 0, -19};
dtVnormalize(pos);
dtVscale(pos, pos, 2.f);
dtCrowdAgent ag;
m_crowd->fetchAgent(ag, 0);
dtVcopy(ag.velocity, pos);
m_crowd->pushAgent(ag);
}
else if (event.key.keysym.sym == SDLK_KP3)
{
float pos[3] = {19, 0, 19};
dtVnormalize(pos);
dtVscale(pos, pos, 2.f);
dtCrowdAgent ag;
m_crowd->fetchAgent(ag, 0);
dtVcopy(ag.velocity, pos);
m_crowd->pushAgent(ag);
}
else if (event.key.keysym.sym == SDLK_KP1)
{
float pos[3] = {-19, 0, 19};
dtVnormalize(pos);
dtVscale(pos, pos, 2.f);
dtCrowdAgent ag;
m_crowd->fetchAgent(ag, 0);
dtVcopy(ag.velocity, pos);
m_crowd->pushAgent(ag);
}
else if (event.key.keysym.sym == SDLK_KP5)
{
float pos[3] = {0, 0, 0};
dtVnormalize(pos);
dtVscale(pos, pos, 2.f);
dtCrowdAgent ag;
m_crowd->fetchAgent(ag, 0);
dtVcopy(ag.velocity, pos);
m_crowd->pushAgent(ag);
}
break;
case SDL_MOUSEBUTTONDOWN:
if (event.button.button == SDL_BUTTON_RIGHT)
{
// Rotate view
m_rotating = true;
m_initialMousePosition[0] = m_mousePosition[0];
m_initialMousePosition[1] = m_mousePosition[1];
m_intialCameraOrientation[0] = m_cameraOrientation[0];
m_intialCameraOrientation[1] = m_cameraOrientation[1];
m_intialCameraOrientation[2] = m_cameraOrientation[2];
}
else if (event.button.button == SDL_BUTTON_WHEELUP)
{
scrollForward = true;
}
else if (event.button.button == SDL_BUTTON_WHEELDOWN)
{
scrollBackward = true;
}
break;
case SDL_MOUSEBUTTONUP:
if (event.button.button == SDL_BUTTON_RIGHT)
{
m_rotating = false;
}
else if (event.button.button == SDL_BUTTON_LEFT)
{
float pickedPosition[3];
int index = 0;
pick(pickedPosition, &index);
}
break;
case SDL_MOUSEMOTION:
m_mousePosition[0] = event.motion.x;
m_mousePosition[1] = m_winHeight-1 - event.motion.y;
if (m_rotating)
{
int dx = m_mousePosition[0] - m_initialMousePosition[0];
int dy = m_mousePosition[1] - m_initialMousePosition[1];
m_cameraOrientation[0] = m_intialCameraOrientation[0] - dy*0.25f;
m_cameraOrientation[1] = m_intialCameraOrientation[1] + dx*0.25f;
}
break;
case SDL_QUIT:
m_stopRequested = true;
break;
default:
break;
}
}
unsigned char mbut = 0;
if (SDL_GetMouseState(0,0) & SDL_BUTTON_LMASK)
mbut |= IMGUI_MBUT_LEFT;
if (SDL_GetMouseState(0,0) & SDL_BUTTON_RMASK)
mbut |= IMGUI_MBUT_RIGHT;
// Update the camera velocity from keyboard state.
Uint8* keystate = SDL_GetKeyState(NULL);
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4800)
#endif
updateCameraVelocity(
dt,
keystate[SDLK_w] || keystate[SDLK_UP] || scrollForward,
keystate[SDLK_s] || keystate[SDLK_DOWN] || scrollBackward,
keystate[SDLK_a] || keystate[SDLK_LEFT],
keystate[SDLK_d] || keystate[SDLK_RIGHT],
SDL_GetModState() & KMOD_SHIFT);
#ifdef _MSC_VER
#pragma warning(pop)
#endif
//Update the camera position
updateCameraPosition(dt);
//Update the crowd
if (m_crowd)
{
if (singleSimulationStep)
{
m_paused = true;
m_debugInfo->startUpdate();
m_crowd->update(m_crowdDt);
m_debugInfo->endUpdate(m_crowdDt);
m_crowdAvailableDt = 0.f;
}
else if (!m_paused)
{
m_crowdAvailableDt += dt;
while(m_crowdAvailableDt > m_crowdDt)
{
m_debugInfo->startUpdate();
m_crowd->update(m_crowdDt);
m_debugInfo->endUpdate(m_crowdDt);
m_crowdAvailableDt -= m_crowdDt;
}
}
else
{
m_crowdAvailableDt = 0.f;
}
}
// Set rendering context
glViewport(0, 0, m_winWidth, m_winHeight);
glClearColor(0.3f, 0.3f, 0.32f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_TEXTURE_2D);
// Render 3D
glEnable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(50.0f, (float)m_winWidth/(float)m_winHeight, m_zNear, m_zFar);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(m_cameraOrientation[0],1,0,0);
glRotatef(m_cameraOrientation[1],0,1,0);
glRotatef(m_cameraOrientation[2],0,0,1);
glTranslatef(-m_cameraPosition[0], -m_cameraPosition[1], -m_cameraPosition[2]);
// Extract OpenGL view properties
glGetDoublev(GL_PROJECTION_MATRIX, m_projection);
glGetDoublev(GL_MODELVIEW_MATRIX, m_modelView);
glGetIntegerv(GL_VIEWPORT, m_viewport);
renderScene();
renderCrowd();
// Render 2D Overlay
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0, m_winWidth, 0, m_winHeight);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
imguiBeginFrame(m_mousePosition[0], m_mousePosition[1], mbut,mscroll);
renderDebugInfoOverlay();
imguiEndFrame();
imguiRenderGLDraw();
glEnable(GL_DEPTH_TEST);
SDL_GL_SwapBuffers();
return true;
}