void DrawScene()
{
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
// Transform the light position into eye coordinates
M3DVector4f vLightPos = { LIGHT_POSITION[0], LIGHT_POSITION[1], LIGHT_POSITION[2], LIGHT_POSITION[3] };
M3DVector4f vLightEyePos;
m3dTransformVector4(vLightEyePos, vLightPos, mCamera);
/* ------------ */
/* FERRIS WHEEL */
modelViewMatrix.PushMatrix();
/* Position the ferris wheel appropriately. */
modelViewMatrix.Translate(FERRIS_WHEEL_POSITION[0], FERRIS_WHEEL_POSITION[1], FERRIS_WHEEL_POSITION[2]);
/* Apply the Translation to this entire block of objects */
modelViewMatrix.PushMatrix();
//theWheel.Draw(modelViewMatrix, shaderManager, transformPipeline, vLightEyePos, capTexture, wheelTexture, wallTexture, carTexture, currentTextureIndex);
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
/* -------------- */
/* ROLLER COASTER */
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0, 0.0, -10.0);
//track.Draw(modelViewMatrix, shaderManager, transformPipeline, vLightEyePos);
modelViewMatrix.PopMatrix();
/* -------- */
/* CAROUSEL */
modelViewMatrix.PushMatrix();
//modelViewMatrix.Translate(3.0f, 0.0f, -3.0f);
modelViewMatrix.Translate(0.0f, 0.0f, -3.0f);
//carousel.Draw(modelViewMatrix, shaderManager, transformPipeline, vLightEyePos);
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 0.0f, -2.0f);
//unicorn.Draw(modelViewMatrix, shaderManager, transformPipeline, vLightEyePos);
//ostrich.Draw(modelViewMatrix, shaderManager, transformPipeline, vLightEyePos);
turtle.Draw(modelViewMatrix, shaderManager, transformPipeline, vLightEyePos);
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
}
int main()
{
Scene *scene = NULL;
LSystems lsystems;
Turtle turtle;
SDL_Window*window = NULL;
SDL_GLContext Context;
//Use OpenGL 3.1 core
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 3 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 1 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
window = SDL_CreateWindow( "L-Systems",
200,
100,
WINDOWWIDTH,
WINDOWHEIGHT,
SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN);
if( window == NULL )
{
printf( "Window could not be created! SDL Error: %s\n", SDL_GetError() );
return EXIT_FAILURE;
}
Context = SDL_GL_CreateContext( window );
scene = new Scene();
scene->init();
bool quit = false;
SDL_Event event;
SDL_TimerID Update = SDL_AddTimer(500,UpdateIteration,&lsystems);
while(quit!=true)
{
while( SDL_PollEvent(&event) != 0)
{
if(event.type == SDL_QUIT)
{
quit=true;
}
//If esc pressed exit window
if(event.type == SDL_KEYDOWN)
{
switch (event.key.keysym.sym)
{
case SDLK_ESCAPE:
{
quit=true; break;
}
// if 1 is pressed draw 1st tree type
case SDLK_1:
{
lsystems.selectTree(1);lsystems.m_iterations=0; break;
}
// if 2 is pressed draw 2ns tree type
case SDLK_2:
{
lsystems.selectTree(2); lsystems.m_iterations=0 ; break;
}
// press up to increase angle
case SDLK_UP:
{
turtle.m_angle+=5; break;
}
// press down to decrease angle
case SDLK_DOWN:
{
turtle.m_angle -=5; break;
}
// if right pressed increase max increments (max growth)
case SDLK_RIGHT:
{
lsystems.m_maxIterations+=1; lsystems.m_iterations=0; break;
}
// if left pressed decrease max increments (min graowth)
case SDLK_LEFT:
{
lsystems.m_maxIterations-=1; lsystems.m_iterations=0; break;
}
default:
{
break;
}
}
}
}
scene->drawScene();
//lsystems.createLeaf();
lsystems.setAxiom();
lsystems.setRule();
lsystems.setAlphabet();
lsystems.setAlphabetRule();
turtle.setAngle(turtle.m_angle);
// number of iterations
lsystems.productions(lsystems.m_iterations);
lsystems.getDrawingRule();
// width and height. width increases with each iteration
turtle.Draw(lsystems,lsystems.m_iterations*0.008,0.20);
SDL_GL_SwapWindow( window);
}
// Delete our scene
delete scene;
//Destroy window
SDL_DestroyWindow( window );
// Disable our timer
SDL_RemoveTimer(Update);
//Quit SDL subsystems
SDL_Quit();
return EXIT_SUCCESS;
}