void SpecialKeys(int key, int x, int y)
{
if(key == GLUT_KEY_UP) objectFrame.RotateWorld(m3dDegToRad(-5.0f), 1.0f, 0.0f, 0.0f);
if(key == GLUT_KEY_DOWN) objectFrame.RotateWorld(m3dDegToRad(5.0f), 1.0f, 0.0f, 0.0f);
if(key == GLUT_KEY_LEFT) objectFrame.RotateWorld(m3dDegToRad(-5.0f), 0.0f, 1.0f, 0.0f);
if(key == GLUT_KEY_RIGHT) objectFrame.RotateWorld(m3dDegToRad(5.0f), 0.0f, 1.0f, 0.0f);
glutPostRedisplay();
}
// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
void Frustrum::Init(const F32 fov, const F32 aspect, const F32 nearClip, const F32 farClip)
{
m_Fov = F32(m3dDegToRad(fov));
m_Aspect = aspect;
m_Near = nearClip;
m_Far = farClip;
F32 tanFovOver2 = F32(tan(m_Fov / 2.0f));
F32 nearFov2 = m_Near * tanFovOver2;
F32 farFov2 = m_Far * tanFovOver2;
// Calculate the near & far right and near & far up vertices of the Frustrum.
Vector3 nearRight = nearFov2 * m_Aspect * g_right;
Vector3 farRight = farFov2 * m_Aspect * g_right;
Vector3 nearUp = nearFov2 * g_up;
Vector3 farUp = farFov2 * g_up;
// points start in the upper right and go around clockwise
m_NearClip[0] = (m_Near * g_forward) - nearRight + nearUp;
m_NearClip[1] = (m_Near * g_forward) + nearRight + nearUp;
m_NearClip[2] = (m_Near * g_forward) + nearRight - nearUp;
m_NearClip[3] = (m_Near * g_forward) - nearRight - nearUp;
m_FarClip[0] = (m_Far * g_forward) - farRight + farUp;
m_FarClip[1] = (m_Far * g_forward) + farRight + farUp;
m_FarClip[2] = (m_Far * g_forward) + farRight - farUp;
m_FarClip[3] = (m_Far * g_forward) - farRight - farUp;
m_Planes[Near] = Plane(m_NearClip[2], m_NearClip[1], m_NearClip[0]);
m_Planes[Far] = Plane(m_FarClip[0], m_FarClip[1], m_FarClip[2]);
m_Planes[Right] = Plane(m_FarClip[2], m_FarClip[1], g_originPt);
m_Planes[Top] = Plane(m_FarClip[1], m_FarClip[0], g_originPt);
m_Planes[Left] = Plane(m_FarClip[0], m_FarClip[3], g_originPt);
m_Planes[Bottom] = Plane(m_FarClip[3], m_FarClip[2], g_originPt);
}
void SpecialKeys(int key, int x, int y)
{
float linear = 0.1f;
float angular = float(m3dDegToRad(5.0f));
if (key == GLUT_KEY_UP)
{
cameraFrame.MoveForward(linear);
}
if (key == GLUT_KEY_DOWN)
{
cameraFrame.MoveForward(-linear);
}
if (key == GLUT_KEY_LEFT)
{
cameraFrame.RotateWorld(angular, 0.0f, 1.0f, 0.0f);
}
if (key == GLUT_KEY_RIGHT)
{
cameraFrame.RotateWorld(-angular, 0.0f, 1.0f, 0.0f);
}
}
void SpecialKeys(int key, int x, int y)
{
if(key == GLUT_KEY_UP)
viewFrame.RotateWorld(m3dDegToRad(-5.0), 1.0f, 0.0f, 0.0f);
if(key == GLUT_KEY_DOWN)
viewFrame.RotateWorld(m3dDegToRad(5.0), 1.0f, 0.0f, 0.0f);
if(key == GLUT_KEY_LEFT)
viewFrame.RotateWorld(m3dDegToRad(-5.0), 0.0f, 1.0f, 0.0f);
if(key == GLUT_KEY_RIGHT)
viewFrame.RotateWorld(m3dDegToRad(5.0), 0.0f, 1.0f, 0.0f);
// Refresh the Window
glutPostRedisplay();
}
Camerak::Camerak(GLMatrixStack *pMVMin)
{
this->pMVM = pMVMin;
movement_rate = 0.03f;//change this
rotation_rate = float(m3dDegToRad(1.0f));
cam.SetOrigin(49,1.3,39);
camMx = new M3DMatrix44f[1];
//cam.RotateLocalY(1.57075);
}
// called on arrow keys
void SpecialKeys(int key, int x, int y){
float linear = 0.1f;
float angular = float(m3dDegToRad(5.0f));
// TODO - flatten movement to the XZ axis
if(key == GLUT_KEY_UP)
cameraFrame.MoveForward(linear);
if(key == GLUT_KEY_DOWN)
cameraFrame.MoveForward(-linear);
if(key == GLUT_KEY_LEFT)
cameraFrame.RotateWorld(angular, 0.0f, 1.0f, 0.0f);
if(key == GLUT_KEY_RIGHT)
cameraFrame.RotateWorld(-angular, 0.0f, 1.0f, 0.0f);
}
void keyFunc(int key, int x, int y)
{
static const float step = 0.1f;
static const float angle = m3dDegToRad(4);
switch (key)
{
case GLUT_KEY_UP:
objectFrame.RotateWorld(-angle, 1, 0, 0);
break;
case GLUT_KEY_DOWN:
objectFrame.RotateWorld(angle, 1, 0, 0);
break;
case GLUT_KEY_LEFT:
objectFrame.RotateWorld(-angle, 0, 1, 0);
break;
case GLUT_KEY_RIGHT:
objectFrame.RotateWorld(angle, 0, 1, 0);
break;
case GLUT_KEY_HOME:
cameraFrame.MoveForward(step);
break;
case GLUT_KEY_END:
cameraFrame.MoveForward(-step);
break;
// enable/disable anisotropy
case GLUT_KEY_F1:
if (isAnisotropySupported) {
isAnisotropy = !isAnisotropy;
if (isAnisotropy)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest);
else
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.0f);
}
break;
default:
break;
}
glutPostRedisplay();
}
void movingCylinder()
{
static CStopWatch cameraTimer;
float fTime = cameraTimer.GetElapsedSeconds();
cameraTimer.Reset();
float linear = fTime * 3.0f;
float angular = fTime * float(m3dDegToRad(15.0f));
if(isMoveForward == true) cameraFrame.MoveForward(linear);
if(isMoveBack == true) cameraFrame.MoveForward(-linear);
if(isRotateLeft == true) cameraFrame.RotateWorld(angular, 0.0f, 1.0f, 0.0f);
if(isRotateRight == true) cameraFrame.RotateWorld(-angular, 0.0f, 1.0f, 0.0f);
if(isRotateUp == true) cameraFrame.RotateWorld(angular, 1.0f, 0.0f, 0.0f);
if(isRotateDown == true) cameraFrame.RotateWorld(-angular, 1.0f, 0.0f, 0.0f);
}
// Called to draw scene
void RenderScene(void)
{
M3DMatrix44f transformationMatrix; // Storeage for rotation matrix
static GLfloat yRot = 0.0f; // Rotation angle for animation
yRot += 0.5f;
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Build a rotation matrix
m3dRotationMatrix44(transformationMatrix, m3dDegToRad(yRot), 0.0f, 1.0f, 0.0f);
transformationMatrix[12] = 0.0f;
transformationMatrix[13] = 0.0f;
transformationMatrix[14] = -2.5f;
DrawTorus(transformationMatrix);
// Do the buffer Swap
glutSwapBuffers();
}
///////////////////////////////////////////////////////////////////////////////
// Update the camera based on user input, toggle display modes
//
void SpecialKeys(int key, int x, int y)
{
static CStopWatch cameraTimer;
float fTime = cameraTimer.GetElapsedSeconds();
cameraTimer.Reset();
float linear = fTime * 0.60f;
float angular = fTime * float(m3dDegToRad(60.0f));
if(key == GLUT_KEY_UP)
cameraFrame.MoveForward(linear);
if(key == GLUT_KEY_DOWN)
cameraFrame.MoveForward(-linear);
if(key == GLUT_KEY_LEFT)
cameraFrame.RotateWorld(angular, 0.0f, 1.0f, 0.0f);
if(key == GLUT_KEY_RIGHT)
cameraFrame.RotateWorld(-angular, 0.0f, 1.0f, 0.0f);
}
void SceneShader()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
GLfloat VColor[] = {0.25f,0.25f,0.25f,1.0f};
M3DMatrix44f RotationMatrix;
Rot += 1.0f;
//get the Rotation Matrix
//m3dDegToRad: translate angle to radian
m3dRotationMatrix44(RotationMatrix, m3dDegToRad(Rot), 0.0f, 0.0f, 1.0f);
//use the flat shader
shaderManager.UseStockShader(GLT_SHADER_FLAT, RotationMatrix ,VColor);
SquareRotationBatch.Draw();
// Swap buffers, and immediately refresh
glutSwapBuffers();
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// Update the camera based on user input, toggle display modes
//
void SpecialKeys(int key, int x, int y)
{
static CStopWatch cameraTimer;
float fTime = cameraTimer.GetElapsedSeconds();
cameraTimer.Reset();
float linear = fTime * 3.0f;
float angular = fTime * float(m3dDegToRad(60.0f));
if(key == GLUT_KEY_LEFT)
{
worldAngle += angular*50;
if(worldAngle > 360)
worldAngle -= 360;
}
if(key == GLUT_KEY_RIGHT)
{
worldAngle -= angular*50;
if(worldAngle < 360)
worldAngle += 360;
}
}
void RenderScence(void)
{
static CStopWatch rotTimer;
float yRot = rotTimer.GetElapsedSeconds() * 60.0f;//每秒旋转60度？
//Clear the window and the depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
M3DMatrix44f mTranslate, mRotate, mModelView, mModelViewProjection;
//生成一个平移矩阵，用于将花环移回视野中，有个问题，1.0f会是什么效果？1.0会看不见花托。有可能截头体是世界坐标1.0-1000.0f是指距离camera的。所以此矩阵是相对于摄像机的操作，移到摄像机面前2.5f深度距离处
//即摄像机所在的地方为原点（0，0，0）
m3dTranslationMatrix44(mTranslate, 0.0f, 0.0f, -2.5f);
//生成旋转矩阵 以y为轴，旋转时间t产生的旋转角 yRot
m3dRotationMatrix44(mRotate, m3dDegToRad(yRot), 0.0f, 1.0f, 0.0f);
//组合为模型变换矩阵，而原模型矩阵在最右边，即先旋转再平移 ？
m3dMatrixMultiply44(mModelView, mTranslate, mRotate);
//组合成模型投影矩阵，而原模型矩阵在最右边，先做模型变换再投影 ？
m3dMatrixMultiply44(mModelViewProjection, viewFrustum.GetProjectionMatrix(), mModelView);
GLfloat vBlack[] = { 1.0f, 1.0f, 1.0f, 1.0f };
//选择要配置的渲染操作类型,非smooth，每种模式对应的参数要熟悉才能正确使用
shaderManger.UseStockShader(GLT_SHADER_FLAT, mModelViewProjection, vBlack);//黑色背景？不是，是设置当前画笔颜色
torusBatch.Draw();
glutSwapBuffers();
glutPostRedisplay();
//整个流程是：先旋转在平移，然后进行投影剪裁，最后光栅化。UseStockShader 和draw函数之前的变换管线还是不清晰
}
#include "Ostrich.h"
#include "Turtle.h"
//#include "Dolphin.h"
/* ------------------------- */
/* Disable console on WIN_32 */
#if defined(__WIN32__) || defined(_WIN32)
#pragma comment(linker, "/subsystem:\"windows\" \
/entry:\"mainCRTStartup\"")
#endif
/* ------------------------------- */
const int ORIG_WINDOW_SIZE[] = { 1000, 1000 };
const float CAMERA_LINEAR_STEP = 0.1f;
const float CAMERA_ANGULAR_STEP = float(m3dDegToRad(5.0f));
const float FRUSTUM_FIELD_OF_VIEW = 35.0f;
const float FRUSTUM_NEAR_PLANE = 0.1f;
const float FRUSTUM_FAR_PLANE = 100.0f;
/* ------------------------------- */
const float FLOOR_GRID_WIDTH = 40.0f;
const float FLOOR_GRID_INCREMENT = 0.5f;
const float FLOOR_HEIGHT = -0.65f;
const float REFLECTING_ALPHA = 0.5f;
const float NONREFLECTING_ALPHA = 1.0f;
/* ------------------------------- */
const float FERRIS_WHEEL_POSITION[] = { 0.0f, 0.0f, -2.5f };
///////////////////////////////////////////////////////////////////////////////
// This function does any needed initialization on the rendering context.
// This is the first opportunity to do any OpenGL related tasks.
void SetupRC()
{
GLbyte *pBytes;
GLint nWidth, nHeight, nComponents;
GLenum format;
shaderManager.InitializeStockShaders();
// Black background
glClearColor(0.0f, 0.0f, 0.0f, 1.0f );
glEnable(GL_DEPTH_TEST);
glLineWidth(2.5f);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
cameraFrame.MoveForward(-15.0f);
cameraFrame.MoveUp(6.0f);
cameraFrame.RotateLocalX(float(m3dDegToRad(20.0f)));
MakeCube(cubeBatch);
MakeFloor(floorBatch);
// Make top
topBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
topBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
topBlock.Vertex3f(1.0f, 1.0f, 1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
topBlock.Vertex3f(1.0f, 1.0f, -1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
topBlock.Vertex3f(-1.0f, 1.0f, -1.0f);
topBlock.End();
// Make Front
frontBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
frontBlock.Vertex3f(-1.0f, -1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
frontBlock.Vertex3f(1.0f, -1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
frontBlock.Vertex3f(1.0f, 1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
frontBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
frontBlock.End();
// Make left
leftBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
leftBlock.Vertex3f(-1.0f, -1.0f, -1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
leftBlock.Vertex3f(-1.0f, -1.0f, 1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
leftBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
leftBlock.Vertex3f(-1.0f, 1.0f, -1.0f);
leftBlock.End();
// Create shadow projection matrix
GLfloat floorPlane[] = { 0.0f, 1.0f, 0.0f, 1.0f};
m3dMakePlanarShadowMatrix(shadowMatrix, floorPlane, vLightPos);
// Load up four textures
glGenTextures(4, textures);
// Wood floor
pBytes = gltReadTGABits("floor.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// One of the block faces
pBytes = gltReadTGABits("Block4.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[1]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// Another block face
pBytes = gltReadTGABits("block5.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[2]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// Yet another block face
pBytes = gltReadTGABits("block6.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[3]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
}
/////////////////////////////////////////////////////////////////
// Window procedure, handles all messages for this program
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HGLRC hRC; // Permenant Rendering context
static HDC hDC; // Private GDI Device context
switch (message)
{
// Window creation, setup for OpenGL
case WM_CREATE:
// Store the device context
hDC = GetDC(hWnd);
// The screen and desktop may have changed, so do this again
FindBestPF(hDC, &startupOptions.nPixelFormat, &startupOptions.nPixelFormatMS);
// Set pixelformat
if(startupOptions.bFSAA == TRUE && (startupOptions.nPixelFormatMS != 0))
SetPixelFormat(hDC, startupOptions.nPixelFormatMS, NULL);
else
SetPixelFormat(hDC, startupOptions.nPixelFormat, NULL);
// Create the rendering context and make it current
hRC = wglCreateContext(hDC);
wglMakeCurrent(hDC, hRC);
SetupRC(hDC);
break;
// Check for ESC key
case WM_CHAR:
if(wParam == 27)
DestroyWindow(hWnd);
break;
// Window is either full screen, or not visible
case WM_ACTIVATE:
{
// Ignore this altogether unless we are in full screen mode
if(startupOptions.bFullScreen == TRUE)
{
// Construct windowplacement structure
WINDOWPLACEMENT wndPlacement;
wndPlacement.length = sizeof(WINDOWPLACEMENT);
wndPlacement.flags = WPF_RESTORETOMAXIMIZED;
wndPlacement.ptMaxPosition.x = 0;
wndPlacement.ptMaxPosition.y = 0;
wndPlacement.ptMinPosition.x = 0;
wndPlacement.ptMinPosition.y = 0;
wndPlacement.rcNormalPosition.bottom = startupOptions.devMode.dmPelsHeight;
wndPlacement.rcNormalPosition.left = 0;
wndPlacement.rcNormalPosition.top = 0;
wndPlacement.rcNormalPosition.right = startupOptions.devMode.dmPelsWidth;
// Switching away from window
if(LOWORD(wParam) == WA_INACTIVE)
{
wndPlacement.showCmd = SW_SHOWMINNOACTIVE;
SetWindowPlacement(hWnd, &wndPlacement);
ShowCursor(TRUE);
}
else // Switching back to window
{
wndPlacement.showCmd = SW_RESTORE;
SetWindowPlacement(hWnd, &wndPlacement);
ShowCursor(FALSE);
}
}
}
break;
// Window is being destroyed, cleanup
case WM_DESTROY:
// Kill the timer that we created
KillTimer(hWnd,101);
ShutdownRC();
// Deselect the current rendering context and delete it
wglMakeCurrent(hDC,NULL);
wglDeleteContext(hRC);
// Tell the application to terminate after the window
// is gone.
PostQuitMessage(0);
break;
// Window is resized.
case WM_SIZE:
// Call our function which modifies the clipping
// volume and viewport
ChangeSize(LOWORD(lParam), HIWORD(lParam));
break;
// The painting function. This message sent by Windows
// whenever the screen needs updating.
case WM_PAINT:
{
// Only poll keyboard when this window has focus
if(GetFocus() == hWnd)
{
float fTime;
float fLinear, fAngular;
// Get the time since the last time we rendered a frame
LARGE_INTEGER lCurrent;
QueryPerformanceCounter(&lCurrent);
fTime = (float)(lCurrent.QuadPart - CameraTimer.QuadPart) /
(float)CounterFrequency.QuadPart;
CameraTimer = lCurrent;
// Camera motion will be time based. This keeps the motion constant
// regardless of frame rate. Higher frame rates produce smoother
// animation and motion, they should not produce "faster" motion.
fLinear = fTime * 1.0f;
fAngular = (float)m3dDegToRad(60.0f * fTime);
// Move the camera around, poll the keyboard
if(GetAsyncKeyState(VK_UP))
frameCamera.MoveForward(fLinear);
if(GetAsyncKeyState(VK_DOWN))
frameCamera.MoveForward(-fLinear);
if(GetAsyncKeyState(VK_LEFT))
frameCamera.MoveForward(fAngular);
if(GetAsyncKeyState(VK_RIGHT))
frameCamera.MoveForward(-fAngular);
}
// Call OpenGL drawing code
RenderScene();
// Call function to swap the buffers
SwapBuffers(hDC);
// Not validated on purpose, gives and endless series
// of paint messages... this is akin to having
// a rendering loop
//ValidateRect(hWnd,NULL);
}
break;
default: // Passes it on if unproccessed
return (DefWindowProc(hWnd, message, wParam, lParam));
}
return (0L);
}
///////////////////////////////////////////////////////////////////////////////
// Update the camera based on user input, toggle display modes
//
void SpecialKeys(int key, int x, int y)
{
static CStopWatch cameraTimer;
float fTime = cameraTimer.GetElapsedSeconds();
cameraTimer.Reset();
float linear = fTime * 3.0f;
float angular = fTime * float(m3dDegToRad(60.0f));
if(key == GLUT_KEY_UP)
cameraFrame.MoveForward(linear);
if(key == GLUT_KEY_DOWN)
cameraFrame.MoveForward(-linear);
if(key == GLUT_KEY_LEFT)
cameraFrame.RotateWorld(angular, 0.0f, 1.0f, 0.0f);
if(key == GLUT_KEY_RIGHT)
cameraFrame.RotateWorld(-angular, 0.0f, 1.0f, 0.0f);
static bool bF2IsDown = false;
if(key == GLUT_KEY_F2)
{
if(bF2IsDown == false)
{
bF2IsDown = true;
bUseFBO = !bUseFBO;
}
}
else
{
bF2IsDown = false;
}
#ifndef OPENGL_ES
if(key == GLUT_KEY_F3)
{
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_BUFFER_ARB, texBOTexture);
glTexBufferARB(GL_TEXTURE_BUFFER_ARB, GL_R32F, texBO[0]); // FIX THIS IN GLEE
glActiveTexture(GL_TEXTURE0);
}
else if(key == GLUT_KEY_F4)
{
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_BUFFER_ARB, texBOTexture);
glTexBufferARB(GL_TEXTURE_BUFFER_ARB, GL_R32F, texBO[1]); // FIX THIS IN GLEE
glActiveTexture(GL_TEXTURE0);
}
else if(key == GLUT_KEY_F5)
{
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_BUFFER_ARB, texBOTexture);
glTexBufferARB(GL_TEXTURE_BUFFER_ARB, GL_R32F, texBO[2]); // FIX THIS IN GLEE
glActiveTexture(GL_TEXTURE0);
}
#endif
// Refresh the Window
glutPostRedisplay();
}