void mouseCameraFunc(int x, int y)
{
if (mouseActive)
{
GLfloat angle = 0.005f;
if (x > W_WIDTH/2)
{
cameraFrame.RotateWorld(-angle*(x-W_WIDTH/2), 0, 0, 1);
glutWarpPointer(W_WIDTH/2, W_HEIGHT/2);
}
else if (x < W_WIDTH/2)
{
cameraFrame.RotateWorld(angle*(W_WIDTH/2-x), 0, 0, 1);
glutWarpPointer(W_WIDTH/2, W_HEIGHT/2);
}
if (y > W_HEIGHT/2 && pitch < 90)
{
cameraFrame.RotateLocalX(-angle*(W_HEIGHT/2-y));
glutWarpPointer(W_WIDTH/2, W_HEIGHT/2);
pitch = pitch + (-angle*(W_HEIGHT/2-y));
}
else if (y < W_HEIGHT/2 && pitch > -90)
{
cameraFrame.RotateLocalX(angle*(y-W_HEIGHT/2));
glutWarpPointer(W_WIDTH/2, W_HEIGHT/2);
pitch = pitch + (angle*(y-W_HEIGHT/2));
}
}
}
void SpecialKeys(int key, int x, int y)
{
if(key == GLUT_KEY_F1)
frameCamera.MoveForward(1.0f);
if(key == GLUT_KEY_F2)
frameCamera.MoveForward(-1.0f);
if(key == GLUT_KEY_DOWN)
frameCamera.RotateLocalX(0.01f);
if(key == GLUT_KEY_UP)
frameCamera.RotateLocalX(-0.01f);
if(key == GLUT_KEY_LEFT)
frameCamera.RotateLocalY(0.01f);
if(key == GLUT_KEY_RIGHT)
frameCamera.RotateLocalY(-0.01f);
/*if(key == GLUT_KEY_UP)
xRot-= 5.0f;
if(key == GLUT_KEY_DOWN)
xRot += 5.0f;
if(key == GLUT_KEY_LEFT)
yRot -= 5.0f;
if(key == GLUT_KEY_RIGHT)
yRot += 5.0f;
if(key > 356.0f)
xRot = 0.0f;
if(key < -1.0f)
xRot = 355.0f;
if(key > 356.0f)
yRot = 0.0f;
if(key < -1.0f)
yRot = 355.0f;*/
// Refresh the Window
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// 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);
}
