void View::initializeGL()
{
cout << "Using OpenGL Version " << glGetString(GL_VERSION) << endl << endl;
glEnable(GL_TEXTURE_2D);
createShaderPrograms();
// All OpenGL initialization *MUST* be done during or after this
// method. Before this method is called, there is no active OpenGL
// context and all OpenGL calls have no effect.
// Start a timer that will try to get 60 frames per second (the actual
// frame rate depends on the operating system and other running programs)
//time.start();
//timer.start(1000 / 60);
// Start the drawing timer
m_timer.start(1000.0f / MAX_FPS);
// Center the mouse, which is explained more in mouseMoveEvent() below.
// This needs to be done here because the mouse may be initially outside
// the fullscreen window and will not automatically receive mouse move
// events. This occurs if there are two monitors and the mouse is on the
// secondary monitor.
QCursor::setPos(mapToGlobal(QPoint(width() / 2, height() / 2)));
glClearColor(0.0f,0.0f,0.0f,0.0f);
glEnable(GL_COLOR_MATERIAL);
glShadeModel(GL_SMOOTH);
// Enable depth testing, so that objects are occluded based on depth instead of drawing order
glEnable(GL_DEPTH_TEST);
// Setup blending
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
// Setup the cube map
setupCubeMap();
// Enable alpha
glEnable(GL_ALPHA_TEST);
setupScene();
// Load the snow texture
m_snowflakeTextures.push_back( ResourceLoader::loadTexture( ":/textures/textures/snowflake_design.png" ) );
m_snowflakeTextures.push_back( ResourceLoader::loadTexture( ":/textures/textures/second-snowflake.png" ) );
m_snowflakeTextures.push_back( ResourceLoader::loadTexture( ":/textures/textures/snowball-texture.png" ) );
m_snowflakeTextures.push_back( ResourceLoader::loadTexture( ":/textures/textures/snowflake-icon.png" ) );
m_snowflakeTextures.push_back( ResourceLoader::loadTexture( ":/textures/textures/actual-snowflake.png" ) );
m_snowEmitter.setTextures(&m_snowflakeTextures);
m_snowTextureId = ResourceLoader::loadTexture( ":/textures/textures/plain-surface.jpg" );
updateCamera();
setupLights();
glFrontFace(GL_CCW);
paintGL();
}
// the following function was adapted from Keith Lantz
// http://www.keithlantz.net/2011/10/rendering-a-skybox-using-a-cube-map-with-opengl-and-glsl/
void setupCubeMap(GLuint& texture, SDL_Surface *xpos, SDL_Surface *xneg, SDL_Surface *ypos, SDL_Surface *yneg, SDL_Surface *zpos, SDL_Surface *zneg) {
setupCubeMap(texture);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL_RGBA, xpos->w, xpos->h, 0, xpos->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, xpos->pixels);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL_RGBA, xneg->w, xneg->h, 0, xneg->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, xneg->pixels);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, GL_RGBA, ypos->w, ypos->h, 0, ypos->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, ypos->pixels);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL_RGBA, yneg->w, yneg->h, 0, yneg->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, yneg->pixels);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, GL_RGBA, zpos->w, zpos->h, 0, zpos->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, zpos->pixels);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, GL_RGBA, zneg->w, zneg->h, 0, zneg->format->BytesPerPixel == 4 ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, zneg->pixels);
}
void SetupCubeMap()
{
// set up the cube map texture
SDL_Surface *xpos = IMG_Load("media/xpos.png");
SDL_Surface *xneg = IMG_Load("media/xneg.png");
SDL_Surface *ypos = IMG_Load("media/ypos.png");
SDL_Surface *yneg = IMG_Load("media/yneg.png");
SDL_Surface *zpos = IMG_Load("media/zpos.png");
SDL_Surface *zneg = IMG_Load("media/zneg.png");
setupCubeMap(cubemap_texture, xpos, xneg, ypos, yneg, zpos, zneg);
SDL_FreeSurface(xneg); SDL_FreeSurface(xpos);
SDL_FreeSurface(yneg); SDL_FreeSurface(ypos);
SDL_FreeSurface(zneg); SDL_FreeSurface(zpos);
}
//--------------------------------------------------------------
void ofApp::setup(){
w = 960;
h = 540;
cubeMapTileSize = 540;
ofSetWindowShape(w,h);
ofSetFrameRate(30);
ofDisableArbTex();
//fogShader.load("FogShaderTex.vert", "FogShaderTex.frag");
embossShader.load("base.vert", "emboss.frag");
blurHShader.load("blurH.vert", "blur.frag");
blurVShader.load("blurV.vert", "blur.frag");
displaceShader.load("displace.vert", "FogShaderTex.frag");
bumpShader.load("base.vert", "bump.frag");
rgbShader.load("base.vert", "rgb.frag");
glowShader.load("base.vert", "glow.frag");
blurHShader2.load("base.vert", "blurH.frag");
blurVShader2.load("base.vert", "blurV.frag");
compositeShader.load("base.vert", "composite.frag");
fxaaShader.load("base.vert", "fxaa.frag");
finalShader.load("base.vert", "final.frag");
fbPix.allocate(w, h, OF_PIXELS_RGB);
fbTex.allocate(w, h, GL_RGB);
fbPix2.allocate(w, h, OF_PIXELS_RGB);
fbTex2.allocate(w, h, GL_RGB);
ofFbo::Settings s;
s.width = w;
s.height = h;
s.textureTarget = GL_TEXTURE_2D;
s.useDepth = true;
s.depthStencilInternalFormat = GL_DEPTH_COMPONENT24;
s.depthStencilAsTexture = true;
s.numSamples = 1;
//calm.loadMovie("calm.mov");
//angry.loadMovie("angry.mov");
//calm.setLoopState(OF_LOOP_NORMAL);
//angry.setLoopState(OF_LOOP_NORMAL);
//calm.play();
//angry.play();
int numSamples = 1;
embossFbo.allocate(w, h, GL_RGB, numSamples);
embossFbo2.allocate(w, h, GL_RGB, numSamples);
blurHFbo.allocate(w, h, GL_RGB, numSamples);
blurVFbo.allocate(w, h, GL_RGB, numSamples);
embossBlurHFbo.allocate(w, h, GL_RGB, numSamples);
embossBlurVFbo.allocate(w, h, GL_RGB, numSamples);
embossBlurHFbo2.allocate(w, h, GL_RGB, numSamples);
embossBlurVFbo2.allocate(w, h, GL_RGB, numSamples);
bumpFbo.allocate(w, h, GL_RGB, numSamples);
sceneFbo.allocate(w, h, GL_RGB, numSamples);
compositeFbo.allocate(w, h, GL_RGB, numSamples);
glowFbo.allocate(w, h, GL_RGB, numSamples);
blurHFbo2.allocate(w, h, GL_RGB, numSamples);
blurVFbo2.allocate(w, h, GL_RGB, numSamples);
fxaaFbo.allocate(w, h, GL_RGB, numSamples);
pp.allocate(w, h, GL_RGB);
save = false;
ofColor *colors = new ofColor[w*h];
for(int i = 0; i<w*h*3; i++){
//colors[i] = ofRandom(255);
int r = ofRandom(255);
int r2 = ofRandom(255);
fbPix[i] = r;
fbPix2[i] = r2;
}
img.setFromPixels(fbPix);
img2.setFromPixels(fbPix2);
embossFbo.begin();
ofClear(0);
ofBackground(255);
ofSetColor(255);
//ofRect(100, 0, w-200, 500 );
img.draw(0,0, w, h);
embossFbo.end();
embossFbo2.begin();
ofClear(0);
ofBackground(255);
ofSetColor(255);
//ofRect(100, 0, w-200, 500 );
img2.draw(0,0, w, h);
embossFbo2.end();
cam.setFarClip(1000000000);
embossFbo.readToPixels(fbPix);
fbTex.loadData(fbPix);
embossFbo2.readToPixels(fbPix2);
fbTex2.loadData(fbPix2);
//cube.set(100,100,10000, 1,1,1);
//cube.mapTexCoords(0, 0, w, h);
cylinder.set(500, 40000, 500, 500);
cylinder.setCapped(false);
cylinder.mapTexCoords(0, 0, 1, 1);
sphere.set(100000, 100);
sphere.mapTexCoords(0, 0, 1, 1);
//fogShader.begin();
//fogShader.setUniform1f("density", 0.5f);
//fogShader.setUniform4f("fogColor", 1.0, 0.0, 0.0, 1.0);
//fogShader.end();
cam.setFov(90);
noiseTex.load("noise.jpg");
noiseTex.getTexture().setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
sceneFbo.getTexture().setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
blurHFbo.getTexture().setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
blurVFbo.getTexture().setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
embossFbo.getTexture().setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
sceneFbo.getTexture().setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
bumpFbo.getTexture().setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
fbTex.setTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
//ofSetTextureWrap(GL_MIRRORED_REPEAT, GL_MIRRORED_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
displaceShader.begin();
// displaceShader.setUniformTexture("noise", noiseTex.getTexture(), 2);
displaceShader.end();
//m = plane.getMesh();
recorder.setVideoBitrate("50000k");
recorder.setVideoCodec("mpeg4");
planeScale = 450;
plane.set((w)*planeScale, w*2*planeScale, 1000, 1000);
plane.mapTexCoords(0, 0, 1,1);
//////////////////////
renderCubeMap = false;
//////////////////////
if(renderCubeMap){
setupCubeMap();
savePix.allocate(cubeMapTileSize*4, cubeMapTileSize*3, OF_PIXELS_RGB);
saveFbo.allocate(cubeMapTileSize*4, cubeMapTileSize*3, GL_RGB, numSamples);
bumpFbo.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
compositeFbo.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
glowFbo.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
blurHFbo2.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
blurVFbo2.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
blurHFbo.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
blurVFbo.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
fxaaFbo.allocate(cubeMapTileSize, cubeMapTileSize, GL_RGB, numSamples);
} else{
savePix.allocate(w,h, OF_PIXELS_RGB);
saveFbo.allocate(w,h, GL_RGB);
}
saveFbo.begin();
ofClear(0);
saveFbo.end();
embossBlurHFbo.begin();
ofClear(0);
embossBlurHFbo.end();
embossBlurVFbo.begin();
ofClear(0);
embossBlurVFbo.end();
saveFbo.begin();
ofClear(0);
saveFbo.end();
texDirection = 1.0;
hello = 6452;
goodBye = 7126;
inc = hello;
beginFrame = 6602;
frameCounter = hello;
endFrame = 6976;
angryMix = 0;
isAngry = 0.0;
boom = 6703;
endBoom = boom+30;
wait = 0;
gui = new ofxDatGui(ofxDatGuiAnchor::TOP_LEFT);
ofRectangle bounds = ofRectangle(0, 0, ofGetWidth(), ofGetHeight());
pad = gui->add2dPad("pad");
colorslider = gui->addSlider("color", 0.0, 1.0);
colorslider->setPrecision(4);
fogSlider = gui->addSlider("fog", 0.0, 1.0);
fogSlider->setPrecision(4);
angryButton = gui->addSlider("angry", 0.0,1.0);
angryButton->setPrecision(4);
// fadeToBlackSlider = gui->addSlider("fade to black", 0.0,1.0);
// fadeToBlackSlider->setPrecision(4);
//
// fadeInColorSlider = gui->addSlider("fade in color", 0.0,1.0);
// fadeInColorSlider->setPrecision(4);
colorMixSlider = gui->addSlider("colorMix", 0.0,1.0);
colorMixSlider->setPrecision(4);
increaseDispSlider = gui->addSlider("inc disp", 0.01, 20);
increaseDispSlider->setPrecision(4);
// pad->setBounds(bounds);
showGui = true;
cam.disableMouseInput();
ofxDatGuiLog::quiet();
}
