void cameraMouseMove(sf::RenderWindow & window,gameMap_t * self){
//Up Left
if (sf::IntRect(0, 0, 200, 200).contains(sf::Mouse::getPosition(window))){
cameraUp(self);
cameraLeft(self);
}
//Up
if (sf::IntRect(200, 0, 1290, 200).contains(sf::Mouse::getPosition(window))){
cameraUp(self);
}
// Left
if (sf::IntRect(0, 200, 200, 680).contains(sf::Mouse::getPosition(window))){
cameraLeft(self);
}
//Down
if (sf::IntRect(200, 880, 1520, 200).contains(sf::Mouse::getPosition(window))){
cameraDown(self);
}
//Right
// if (sf::IntRect(1720, 200, 200, 680).contains(sf::Mouse::getPosition(window))){
// cameraRight(self);
// }
//dDown Left
if (sf::IntRect(0, 880, 200, 200).contains(sf::Mouse::getPosition(window))){
cameraDown(self);
cameraLeft(self);
}
}
void MainWindow::keyPressEvent(QKeyEvent *e)
{
switch (e->key())
{
case Qt::Key_W:
carForward();
break;
case Qt::Key_A:
carLeft();
break;
case Qt::Key_S:
carBack();
break;
case Qt::Key_D:
carRight();
break;
case Qt::Key_I:
cameraUp();
break;
case Qt::Key_K:
cameraDown();
break;
case Qt::Key_J:
cameraLeft();
break;
case Qt::Key_L:
cameraRight();
break;
}
}
void render( void )
{
glClear( GL_COLOR_BUFFER_BIT );
static float scale = 0.0f;
scale += 0.1f;
Matrix matrix;
matrix.rotate( 0.0f , scale , 0.0f );
matrix.worldPosition( 0.0f , 0.0f , 5.0f );
math::Vec3f cameraPosition( 0.0f , 0.0f , -3.0f );
math::Vec3f cameraTarget( 0.0f , 0.0f , 2.0f );
math::Vec3f cameraUp( 0.0f , 1.0f , 0.0f );
matrix.setCamera( cameraPosition , cameraTarget , cameraUp );
matrix.perspeciveProjection( 60.0f , WINDOW_WIDTH , WINDOW_HEIGHT , 1.0f , 100.0f );
glUniformMatrix4fv( worldLocation , 1 , GL_TRUE , ( const GLfloat* ) matrix.getTranslation() );
glEnableVertexAttribArray( 0 );
glBindBuffer( GL_ARRAY_BUFFER , vertexBufferID );
glVertexAttribPointer( 0 , 3 , GL_FLOAT , GL_FALSE , 0 , 0 );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER , indexBufferID );
glDrawElements( GL_TRIANGLES , 12 , GL_UNSIGNED_INT , 0 );
glDisableVertexAttribArray( 0 );
glutSwapBuffers();
}
int main()
{
tw::vec3f position(1.0f, 0.0f, -2.0f);
tw::vec3f axis(0.0f, 1.0f, 0.0f);
float32_t angle = tw::radians(45.0f);
tw::vec3f scale(1.0f, 1.0f, 1.0f);
tw::mat4f translationMat = tw::translation(position);
tw::quatf rotationQuat = tw::rotation(axis, angle);
tw::mat4f scalingMat = tw::scaling(scale);
tw::mat4f model = translationMat * tw::mat4_cast(rotationQuat) * scalingMat;
tw::vec3f cameraPosition(0.0f, 0.0f, 1.0f);
tw::vec3f cameraCenter(0.0f, 0.0f, 0.0f);
tw::vec3f cameraUp(0.0f, 1.0f, 0.0f);
tw::mat4f view = tw::lookAt(cameraPosition, cameraCenter, cameraUp);
tw::mat4f mv = view * model;
tw::vec4f p(1.0f, 0.0f, 0.0f, 1.0f);
p = mv * p;
std::cout << p.x << " " << p.y << " " << p.z << " " << p.w << std::endl;
std::cin.get();
return 0;
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
//init flags
cameraDownFlag = false;
cameraUpFlag = false;
cameraLeftFlag = false;
cameraRightFlag = false;
carForwardFlag = false;
carBackFlag = false;
carLeftFlag = false;
carRightFlag = false;
ui->setupUi(this);
_instance = new VlcInstance(VlcCommon::args(), this);
_player = new VlcMediaPlayer(_instance);
_player->setVideoWidget(ui->video);
ui->video->setMediaPlayer(_player);
connect(ui->actionOpen_Local_File, SIGNAL(triggered()), this, SLOT(openLocal()));
connect(ui->actionOpen_URL, SIGNAL(triggered()), this, SLOT(openUrl()));
connect(ui->actionCar_Address, SIGNAL(triggered()), this, SLOT(setCarAddr()));
connect(ui->cameraDown, SIGNAL(pressed()), this, SLOT(cameraDown()));
connect(ui->cameraUp, SIGNAL(pressed()), this, SLOT(cameraUp()));
connect(ui->cameraLeft, SIGNAL(pressed()), this, SLOT(cameraLeft()));
connect(ui->cameraRight, SIGNAL(pressed()), this, SLOT(cameraRight()));
connect(ui->carForward, SIGNAL(pressed()), this, SLOT(carForward()));
connect(ui->carBack, SIGNAL(pressed()), this, SLOT(carBack()));
connect(ui->carLeft, SIGNAL(pressed()), this, SLOT(carLeft()));
connect(ui->carRight, SIGNAL(pressed()), this, SLOT(carRight()));
connect(ui->cameraDown, SIGNAL(released()), this, SLOT(cameraDownRelease()));
connect(ui->cameraUp, SIGNAL(released()), this, SLOT(cameraUpRelease()));
connect(ui->cameraLeft, SIGNAL(released()), this, SLOT(cameraLeftRelease()));
connect(ui->cameraRight, SIGNAL(released()), this, SLOT(cameraRightRelease()));
connect(ui->carForward, SIGNAL(released()), this, SLOT(carForwardRelease()));
connect(ui->carBack, SIGNAL(released()), this, SLOT(carBackRelease()));
connect(ui->carLeft, SIGNAL(released()), this, SLOT(carLeftRelease()));
connect(ui->carRight, SIGNAL(released()), this, SLOT(carRightRelease()));
sender = new MsgSender();
}
void Model::beginRender()
{
mt::mat4f projection;
mt::make_projection_fov_m4( projection, m_cameraFOV, m_cameraWidth / m_cameraHeight, 1.f, 1000.f );
DXCALL m_pDevice->SetTransform( D3DTS_PROJECTION, (D3DMATRIX *)projection.buff() );
const Model3DFrame & frame = this->getCurrentFrame();
mt::mat4f lookAt;
mt::vec3f cameraPos( frame.cameraPos.x, frame.cameraPos.y, frame.cameraPos.z );
mt::vec3f cameraDir( -frame.cameraDir.x, -frame.cameraDir.z, -frame.cameraDir.y );
mt::vec3f cameraUp( -frame.cameraRight.x, -frame.cameraRight.z, -frame.cameraRight.y );
mt::make_lookat_m4( lookAt, cameraPos, cameraDir, cameraUp, -1.f );
DXCALL m_pDevice->SetTransform( D3DTS_VIEW, (D3DMATRIX *)lookAt.buff() );
DXCALL m_pDevice->SetTexture( 0, m_pTexture );
DXCALL m_pDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
}
void mouseEvents(sf::RenderWindow & window,gameMap_t * self){
if(sf::Keyboard::isKeyPressed(sf::Keyboard::W)){
cameraUp(self);
}
if(sf::Keyboard::isKeyPressed(sf::Keyboard::A)){
cameraLeft(self);
}
if(sf::Keyboard::isKeyPressed(sf::Keyboard::S)){
cameraDown(self);
}
if(sf::Keyboard::isKeyPressed(sf::Keyboard::D)){
cameraRight(self);
}
if(sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)){
pauseMenu(window);
}
}
void doMovement(CViewPoint* camera){
GLfloat currentFrame = (GLfloat)glfwGetTime();
deltaTime = currentFrame - lastFrame;
lastFrame = currentFrame;
GLfloat cameraSpeed = defaultCameraSpeed*deltaTime;
if(!moved)
{
camera->rotate(glm::vec3(xoffset,yoffset,0));
moved = true;
}
glm::vec3 eulers = camera->getEulers();
glm::vec3 cameraTarget(-glm::sin(eulers.x)*glm::cos(eulers.y),
0,
glm::cos(eulers.x)*glm::cos(eulers.y));
glm::vec3 cameraUp(0,1,0);
if (keys[GLFW_MOUSE_BUTTON_2])
{
camera->move (cameraTarget*cameraSpeed);
}
}
int main(int argc, char** argv)
{
try
{
int cudaDevice;
std::string lsystemFile;
int screenWidth;
int screenHeight;
CmdOptions cmdOptions(argc, argv);
cmdOptions.read("device", cudaDevice, 0);
cmdOptions.read<std::string>("lsystemFile", lsystemFile, "");
cmdOptions.read("screenWidth", screenWidth, DEFAULT_SCREEN_WIDTH);
cmdOptions.read("screenHeight", screenHeight, DEFAULT_SCREEN_HEIGHT);
if (lsystemFile == "")
{
printUsage();
exit(EXIT_FAILURE);
}
Framework::GLWindow window("LSystem", screenWidth, screenHeight, true, false);
if (gl3wInit())
{
throw std::runtime_error("gl3wInit() failed");
}
cudaDeviceProp deviceProperties;
cudaGetDeviceProperties(&deviceProperties, cudaDevice);
cudaSetDevice(cudaDevice);
LSystem lsystem(lsystemFile);
/********************************/
/* CENTER L-SYSTEM ON SCREEN */
/********************************/
float width = lsystem.getBounds().extents().x;
float height = lsystem.getBounds().extents().y;
float screenDiagonal = sqrt(pow(width, 2) + pow(height, 2) + 1);
float distance = min((screenDiagonal / 2.0f) / tan(HALF_FOV_RAD), ZFAR);
float aspectRatio = screenWidth / (float)screenHeight;
math::float3 cameraCenter(lsystem.getBounds().center().x, lsystem.getBounds().center().y, -distance);
math::float3 cameraForward = cameraCenter + math::float3(0, 0, -1);
math::float3 cameraUp(0, 1, 0);
//////////////////////////////////////////////////////////////////////////
SimpleCamera camera(FOV_RAD, aspectRatio, ZNEAR, ZFAR, cameraCenter, cameraForward, cameraUp);
LSystemRenderer renderer(window, lsystem, camera);
window.attach(&renderer);
FirstPersonCameraNavigator navigator(&camera);
LSystemInputHandler inputHandler(renderer, navigator);
window.attach(static_cast<Framework::MouseInputHandler*>(&inputHandler));
window.attach(static_cast<Framework::KeyboardInputHandler*>(&inputHandler));
Framework::run(renderer, &inputHandler);
return 0;
}
catch (std::exception& e)
{
std::cout << "Error: " << e.what() << std::endl;
}
catch (...)
{
std::cout << "Unknown error" << std::endl;
}
// DEBUG:
system("pause");
return -1;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowSmd)
{
FileSystem fileSystem("../../Resources");
Console console(fileSystem, false);
ResourceManager resourceManager(fileSystem, console);
InputDevice input(console);
Window window("Void", console, input, resourceManager, fileSystem, 1280, 720, true, false);
//Window window("Void", console, input, resourceManager, fileSystem);
if(window.Initialise()) return 0;
ConsoleEvent shouldQuitConsole(console, input, "Game.Quit");
input.addDefaultBinding(Key::Q, shouldQuitConsole);
input.addDefaultBinding(Key::Escape, shouldQuitConsole);
ConsoleEvent cameraForward(console, input, "Camera.Move.Forward");
input.addDefaultBinding(Key::W, cameraForward);
ConsoleEvent cameraBackward(console, input, "Camera.Move.Backward");
input.addDefaultBinding(Key::S, cameraBackward);
ConsoleEvent cameraLeft(console, input, "Camera.Move.Left");
input.addDefaultBinding(Key::A, cameraLeft);
ConsoleEvent cameraRight(console, input, "Camera.Move.Right");
input.addDefaultBinding(Key::D, cameraRight);
ConsoleEvent cameraUp(console, input, "Camera.Move.Up");
input.addDefaultBinding(Key::Space, cameraUp);
ConsoleEvent cameraDown(console, input, "Camera.Move.Down");
input.addDefaultBinding(Key::LCtrl, cameraDown);
ConsoleEvent cameraSprint(console, input, "Camera.Move.Sprint");
input.addDefaultBinding(Key::LShift, cameraSprint);
window.GetGraphicsDevice().getRenderer3D().setSkybox(resourceManager.getResourceReference<TextureResource>("[Texture] Clouds.dds"));
Camera &camera = window.GetGraphicsDevice().getRenderer3D().getCamera();
camera.rotateY(Math::DegreesToRadians(90));
camera.setPosition(-1100.0f, -170.0f, 0.0f);
std::vector<PointLight> lights;
ResourceReference<ModelResource> visibleLion = resourceManager.getResourceReference<ModelResource>("[Model] Lion.smdf");
std::vector<ResourceReference<MaterialResource>> materials;
#define add_model(x) materials.push_back(resourceManager.getResourceReference<MaterialResource>("[Material] " x ".smtf"))
add_model("Lion");add_model("Lionbackground"); add_model("VaseRound"); add_model("Ceiling");
add_model("ColumnA"); add_model("ColumnB"); add_model("ColumnC"); add_model("Floor"); add_model("FabricGreen");
add_model("FabricBlue"); add_model("FabricRed"); add_model("CurtainBlue"); add_model("CurtainRed");
add_model("CurtainGreen"); add_model("VaseHanging"); add_model("Vase"); add_model("Bricks");
add_model("Arch"); add_model("Details"); add_model("Roof"); add_model("VasePlant");
add_model("Chain"); add_model("Thorn");add_model("Vase");
Timer gameTime;
bool isMousePressed = false;
int oldMouseX = 0;
int oldMouseY = 0;
for(;;)
{
uint64 frameTime = gameTime.getElapsedReset();
float frameSeconds = frameTime / 1000.0f;
resourceManager.Update();
console.update();
if(window.Update()) break;
input.Update();
if(shouldQuitConsole.isPress()) break;
if(isMousePressed != input.IsKeyDown(Key::LButton))
{
isMousePressed = !isMousePressed;
if(isMousePressed)
{
window.setMouseClipping(true);
oldMouseX = input.GetMouseXPositionAbsolute();
oldMouseY = input.GetMouseYPositionAbsolute();
window.setMouseVisibility(true);
}
else
{
window.setMouseClipping(false);
window.SetMousePosition(oldMouseX, oldMouseY);
window.setMouseVisibility(false);
}
}
if(isMousePressed)
{
camera.rotateY(Math::DegreesToRadians(input.GetMouseXPositionRelative()));
camera.rotateX(Math::DegreesToRadians(input.GetMouseYPositionRelative()));
}
float distance = 100.0f * frameSeconds;
if(cameraSprint.isHeld()) distance *= 6;
if(cameraForward.isHeld()) camera.moveX(distance);
if(cameraBackward.isHeld()) camera.moveX(-distance);
if(cameraRight.isHeld()) camera.moveZ(distance);
if(cameraLeft.isHeld()) camera.moveZ(-distance);
if(cameraUp.isHeld()) camera.moveY(distance);
if(cameraDown.isHeld()) camera.moveY(-distance);
visibleLion->Render();
if(resourceManager.isLoading())
{
if(lights.empty())
fillLightsGrid(lights, window);
}
else if(!lights.empty())
lights.clear();
if(input.IsKeyPress(Key::Num1))
fillLightsGrid(lights, window);
Vector3 lightChange;
if(input.IsKeyDown(Key::Up)) lightChange.y += distance;
if(input.IsKeyDown(Key::Down)) lightChange.y -= distance;
if(input.IsKeyDown(Key::Left)) lightChange.x += distance;
if(input.IsKeyDown(Key::Right)) lightChange.x -= distance;
if(lightChange != Vector3::Zero)
{
for(PointLight &light : lights)
light.setPosition(light.getPosition() + lightChange);
}
if(window.Render()) break;
}
return 0;
}
btVector3 GL_DialogDynamicsWorld::getRayTo(int x,int y)
{
float cameraDistance = m_screenHeight/2.f;//m_screenWidth/2;//1.f;
btVector3 cameraTargetPosition(0,0,0);
btVector3 cameraUp(0,-1,0);
if (1)//_ortho)
{
btScalar aspect;
btVector3 extents;
if (m_screenWidth> m_screenHeight)
{
aspect = m_screenWidth / (btScalar)m_screenHeight;
extents.setValue(aspect * 1.0f, 1.0f,0);
} else
{
cameraDistance = m_screenWidth/2.f;
aspect = m_screenHeight / (btScalar)m_screenWidth;
extents.setValue(1.0f, aspect*1.f,0);
}
extents *= cameraDistance;
btVector3 lower = cameraTargetPosition - extents;
btVector3 upper = cameraTargetPosition + extents;
btScalar u = x / btScalar(m_screenWidth);
btScalar v = (m_screenHeight - y) / btScalar(m_screenHeight);
btVector3 p(0,0,0);
p.setValue(
(1.0f - u) * lower.getX() + u * upper.getX(),
-((1.0f - v) * lower.getY() + v * upper.getY()),
cameraTargetPosition.getZ());
return p;
}
float top = 1.f;
float bottom = -1.f;
float nearPlane = 1.f;
float tanFov = (top-bottom)*0.5f / nearPlane;
float fov = 2 * atanf (tanFov);
btVector3 cameraPosition(0,0,-100);
btVector3 rayFrom = cameraPosition;
btVector3 rayForward = (cameraTargetPosition-cameraPosition);
rayForward.normalize();
float farPlane = 10000.f;
rayForward*= farPlane;
btVector3 rightOffset;
btVector3 vertical = cameraUp;
btVector3 hor;
hor = rayForward.cross(vertical);
hor.normalize();
vertical = hor.cross(rayForward);
vertical.normalize();
float tanfov = tanf(0.5f*fov);
hor *= 2.f * farPlane * tanfov;
vertical *= 2.f * farPlane * tanfov;
btScalar aspect;
if (m_screenWidth > m_screenHeight)
{
aspect = m_screenWidth / (btScalar)m_screenHeight;
hor*=aspect;
} else
{
aspect = m_screenHeight / (btScalar)m_screenWidth;
vertical*=aspect;
}
btVector3 rayToCenter = rayFrom + rayForward;
btVector3 dHor = hor * 1.f/float(m_screenWidth);
btVector3 dVert = vertical * 1.f/float(m_screenHeight);
btVector3 rayTo = rayToCenter - 0.5f * hor + 0.5f * vertical;
rayTo += btScalar(x) * dHor;
rayTo -= btScalar(y) * dVert;
//rayTo += y * dVert;
return rayTo;
}
/**
* Function that listens for event input from keyboard.
*/
void Keyboard(unsigned char key, int x, int y) {
switch (key){
/*projection commands*/
case '1':
printf("changing projection to orthographic.\n");
orthographic();
break;
case '2':
printf("changing projection to oblique.\n");
oblique();
break;
case '3':
printf("changing projection to perspective.\n");
perspective();
break;
/*camera movement*/
case 'm':
printf("Camera movement. You can no use w,a,s,d,z,x to move ");
printf("around.\n");
currentMode = 'm';
glutPostRedisplay();
break;
case 'w':
if(useSmooth == true){
useSmooth = false;
bezSpeed += 0.25;
calculateNewBezierCurve(direction,P0,Pref,V0,bezierP,PrefChange,uM,
uMPrim,bezSpeed);
bezierPCounter = 0;
useSmooth = true;
}else{
cameraForward(0);
}
break;
case 'a':
if(useSmooth == true){
direction = 'l';
calculateNewBezierCurve(direction,P0,Pref,V0,bezierP,PrefChange,uM,
uMPrim,bezSpeed);
bezierPCounter = 0;
}else{
cameraLeft();
}
break;
case 's':
if(useSmooth == true){
if(bezSpeed > 0.5){
useSmooth = false;
bezSpeed -= 0.25;
calculateNewBezierCurve(direction,P0,Pref,V0,bezierP,PrefChange,
uM,uMPrim,bezSpeed);
bezierPCounter = 0;
useSmooth = true;
}
}else{
cameraBackward();
}
break;
case 'd':
if(useSmooth == true){
direction = 'r';
calculateNewBezierCurve(direction,P0,Pref,V0,bezierP,PrefChange,uM,
uMPrim,bezSpeed);
bezierPCounter = 0;
}else{
cameraRight();
}
break;
/*object movement*/
case 'q':
printf("Closing program.....\n");
exit(0);
break;
case 'v':
glutFullScreenToggle();
break;
case 'o':
printf("\ncurrent mode: open OFF file.\n");
currentMode = 'o';
glutPostRedisplay();
loadVertices(NULL);
glutPostRedisplay();
break;
case 't':
printf("current mode: translation.\n");
currentMode = 't';
chosenMovement = 'n';
chosenMovement = 'n';
glutPostRedisplay();
printf("In which direction (x,y or z) do you want to move the object?");
printf("\npress x,y or z button to choose.\n");
break;
case 'e':
printf("current mode: Scaling.\n");
currentMode = 's';
glutPostRedisplay();
chosenMovement = 'n';
chosenMovement = 'n';
printf("press + or - button to scale the object.\n");
break;
case 'r':
printf("current mode: Rotating.\n");
currentMode = 'r';
glutPostRedisplay();
chosenMovement = 'n';
chosenMovement = 'n';
printf("Press x,y,or z to choose which axis the object should ");
printf("rotate around.\n");
break;
case 'x':
if(currentMode == 't'){
printf("X direction chosen. press + or - button ");
printf("to move the object.\n");
chosenDirection = 'x';
}else if(currentMode == 'r'){
printf("X direction chosen. press + or - button ");
printf("to rotate the object around the X-axis.\n");
chosenDirection = 'x';
}else{
cameraUp();
}
break;
case 'y':
if(currentMode == 't'){
printf("Y direction chosen. press + or - button ");
printf("to move the object.\n");
chosenDirection = 'y';
}else if(currentMode == 'r'){
printf("Y direction chosen. press + or - button ");
printf("to rotate the object around the Y-axis.\n");
chosenDirection = 'y';
}
break;
case 'z':
if(currentMode == 't'){
printf("Z direction chosen. press + or - button ");
printf("to move the object.\n");
chosenDirection = 'z';
} else if(currentMode == 'r'){
printf("Z direction chosen. press + or - button ");
printf("to rotate the object around the Z-axis.\n");
chosenDirection = 'z';
}else{
cameraDown();
}
break;
case '+':
if(currentMode == 't'){
if(chosenDirection == 'x' || chosenDirection == 'y'
|| chosenDirection == 'z'){
chosenMovement = '+';
translateStage();
}
}else if(currentMode == 's'){
chosenMovement = '+';
scaleStage();
}else if(currentMode == 'r'){
chosenMovement = '+';
rotateStage();
}
break;
case '-':
if(currentMode == 't'){
if(chosenDirection == 'x' || chosenDirection == 'y'
|| chosenDirection == 'z'){
chosenMovement = '-';
translateStage();
}
}else if(currentMode == 's'){
chosenMovement = '-';
scaleStage();
}else if(currentMode == 'r'){
chosenMovement = '-';
rotateStage();
}
break;
case 'f':
/*changes between line mode and filled mode for the object.*/
if(objectFilled == false){
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
sendTMatrixToGPU();
glutPostRedisplay();
objectFilled = true;
}else if(objectFilled == true){
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
sendTMatrixToGPU();
glutPostRedisplay();
objectFilled = false;
}
break;
case 'h':
printf("Help:\n----------------------------------------------------\n");
printf("The allowed keyboard commands are: \n");
printf("o: open file, q: quit program, t: transform object\n");
printf("e: scale object, r: rotate object, m: camera movement.\n");
printf("f: object fill: on/off ");
printf("x: choose x-axis. If camera mode: go up.\ny: choose y-axis ");
printf("z: choose z-axis. If camera mode: go down.\n\n");
printf("w: move camera forward. a: move camera left.\n");
printf("s: move camera backwards. d: move camera right.\n");
printf("v: toggle between fullscreenmode..\n");
printf("1: orthographic projection. 2: oblique projection.\n");
printf("3: perspective projection.\n");
printf("You may also use the mouse to move the camera. To enable, ");
printf("press and hold left\nmouse button and move the mouse.\n");
printf("Use the mouseScroll to zoom in or out.\n");
printf("-----------------------------------------------------------\n");
break;
default:
printf("Unknown keyboard command. Press \"h\" for help. \n");
break;
}
}
View *CascadedShadowMap::createLightView(float nSlice1, float nSlice2, Camera *camera, Camera *lightCamera, View *view, Frustum *frustum)
{
glm::vec3 ntl,ntr,nbl,nbr,ftl,ftr,fbl,fbr,nc,fc,X,Y,Z;
float nearDepth = (float)(view->getNear()+(view->getFar()-view->getNear())*nSlice1);
float farDepth = (float)(view->getNear()+(view->getFar()-view->getNear())*nSlice2);
float nh = (frustum->getHeightNear()+(frustum->getHeightFar()-frustum->getHeightNear())*nSlice1)/2.0f;
float nw = (frustum->getWidthNear()+(frustum->getWidthFar()-frustum->getWidthNear())*nSlice1)/2.0f;
float fh = (frustum->getHeightNear()+(frustum->getHeightFar()-frustum->getHeightNear())*nSlice2)/2.0f;
float fw = (frustum->getWidthNear()+(frustum->getWidthFar()-frustum->getWidthNear())*nSlice2)/2.0f;
glm::vec3 cameraRight(camera->getRight()[0], camera->getRight()[1], camera->getRight()[2]);
glm::vec3 cameraUp(camera->getUp()[0], camera->getUp()[1], camera->getUp()[2]);
glm::vec3 cameraLookAt(camera->getLookAt()[0],camera->getLookAt()[1],camera->getLookAt()[2]);
glm::vec3 cameraEye(camera->getEyeV()[0],camera->getEyeV()[1],camera->getEyeV()[2]);
X = cameraRight;
X = glm::normalize(X);
Y = cameraUp;
Y = glm::normalize(Y);
Z = cameraLookAt - cameraEye;
Z = glm::normalize(Z);
nc = cameraEye+Z*nearDepth;
fc = cameraEye+Z*farDepth;
ntl = nc + Y * nh - X * nw;
ntr = nc + Y * nh + X * nw;
nbl = nc - Y * nh - X * nw;
nbr = nc - Y * nh + X * nw;
ftl = fc + Y * fh - X * fw;
ftr = fc + Y * fh + X * fw;
fbl = fc - Y * fh - X * fw;
fbr = fc - Y * fh + X * fw;
// calculate the actual bounds for the ortho projection
glm::mat4 lightMVP;
lightMVP = glm::ortho(-1,1,-1,1,0,1);
lightMVP = lightCamera->transformToMatrix(lightMVP);
float left, right, up, down, back;
glm::vec4 corners[] = {glm::vec4(ntl,1.0f), glm::vec4(ntr,1.0f), glm::vec4(nbl,1.0f), glm::vec4(nbr,1.0f),
glm::vec4(ftl,1.0f), glm::vec4(ftr,1.0f), glm::vec4(fbl,1.0f), glm::vec4(fbr,1.0f)};
// get the projected positions of the corners
for (int i=0; i<8; i++)
{
corners[i]=lightMVP*corners[i];
}
left = corners[0][0];
right = corners[0][0];
up = corners[0][1];
down = corners[0][1];
back = corners[0][2];
// determine the bounds
for (int i=1; i<8; i++)
{
if (corners[i][0]<left)
{
left=corners[i][0];
}
if (corners[i][0]>right)
{
right=corners[i][0];
}
if (corners[i][1]<down)
{
down=corners[i][1];
}
if (corners[i][1]>up)
{
up=corners[i][1];
}
if (corners[i][2]>back)
{
back=corners[i][2];
}
}
View *lightView = new View();
lightView->set2D(left,right,down,up,0.1,50);
return lightView;
}