void NessBox2DApp::setup()
{
gl::enableAlphaBlending();
//gl::enableWireframe();
//fmt.setWrap( GL_REPEAT, GL_REPEAT );
_fmt.setMinFilter( GL_NEAREST );
_fmt.setMagFilter( GL_NEAREST );
int scale = 3;
Surface walkStuff = Surface( loadImage( loadResource( "NESS_allWalk.png" ) ) );
ness = Character( &walkStuff, _fmt, 16, 24, 16 * scale, 24 * scale );
walkStuff = Surface( loadImage( loadResource( "JEFF_allWalk.png" ) ) );
jeff = NPC( &walkStuff, _fmt, 16, 24, 16 * scale, 24 * scale );
for (int i = 0; i < 5; i++) {
keys[i] = false;
}
definedKeys[0] = KeyEvent::KEY_LEFT;
definedKeys[1] = KeyEvent::KEY_UP;
definedKeys[2] = KeyEvent::KEY_RIGHT;
definedKeys[3] = KeyEvent::KEY_DOWN;
definedKeys[4] = KeyEvent::KEY_LSHIFT;
}
void AudioVisualizerApp::setup()
{
// initialize signals
signalChannelEnd = false;
// make a list of valid audio file extensions and initialize audio variables
const char* extensions[] = {"mp3", "wav", "ogg"};
mAudioExtensions = vector<string>(extensions, extensions+2);
mAudioPath = getAssetPath("");
mIsAudioPlaying = false;
// setup camera
mCamera.setPerspective(50.0f, 1.0f, 1.0f, 10000.0f);
mCamera.setEyePoint( Vec3f(-kWidth/4, kHeight/2, -kWidth/8) );
mCamera.setCenterOfInterestPoint( Vec3f(kWidth/4, -kHeight/8, kWidth/4) );
// create channels from which we can construct our textures
mChannelLeft = Channel32f(kBands, kHistory);
mChannelRight = Channel32f(kBands, kHistory);
memset( mChannelLeft.getData(), 0, mChannelLeft.getRowBytes() * kHistory );
memset( mChannelRight.getData(), 0, mChannelRight.getRowBytes() * kHistory );
// create texture format (wrap the y-axis, clamp the x-axis)
mTextureFormat.setWrapS( GL_CLAMP );
mTextureFormat.setWrapT( GL_REPEAT );
mTextureFormat.setMinFilter( GL_LINEAR );
mTextureFormat.setMagFilter( GL_LINEAR );
// compile shader
try {
mShader = gl::GlslProg( loadAsset("shaders/spectrum.vert"), loadAsset("shaders/spectrum.frag") );
}
catch( const std::exception& e ) {
console() << e.what() << std::endl;
quit();
return;
}
// create static mesh (all animation is done in the vertex shader)
std::vector<Vec3f> vertices;
std::vector<Colorf> colors;
std::vector<Vec2f> coords;
std::vector<size_t> indices;
for(size_t h=0;h<kHeight;++h)
{
for(size_t w=0;w<kWidth;++w)
{
// add polygon indices
if(h < kHeight-1 && w < kWidth-1)
{
size_t offset = vertices.size();
indices.push_back(offset);
indices.push_back(offset+kWidth);
indices.push_back(offset+kWidth+1);
indices.push_back(offset);
indices.push_back(offset+kWidth+1);
indices.push_back(offset+1);
}
// add vertex
vertices.push_back( Vec3f(float(w), 0, float(h)) );
// add texture coordinates
// note: we only want to draw the lower part of the frequency bands,
// so we scale the coordinates a bit
const float part = 0.5f;
float s = w / float(kWidth-1);
float t = h / float(kHeight-1);
coords.push_back( Vec2f(part - part * s, t) );
// add vertex colors
colors.push_back( Color(CM_HSV, s, 0.5f, 0.75f) );
}
}
gl::VboMesh::Layout layout;
layout.setStaticPositions();
layout.setStaticColorsRGB();
layout.setStaticIndices();
layout.setStaticTexCoords2d();
mMesh = gl::VboMesh(vertices.size(), indices.size(), layout, GL_TRIANGLES);
mMesh.bufferPositions(vertices);
mMesh.bufferColorsRGB(colors);
mMesh.bufferIndices(indices);
mMesh.bufferTexCoords2d(0, coords);
// play audio using the Cinder FMOD block
FMOD::System_Create( &mFMODSystem );
mFMODSystem->init( 32, FMOD_INIT_NORMAL | FMOD_INIT_ENABLE_PROFILE, NULL );
mFMODSound = nullptr;
mFMODChannel = nullptr;
playAudio( findAudio( mAudioPath ) );
mIsMouseDown = false;
mMouseUpDelay = 30.0;
mMouseUpTime = getElapsedSeconds() - mMouseUpDelay;
// the texture offset has two purposes:
// 1) it tells us where to upload the next spectrum data
// 2) we use it to offset the texture coordinates in the shader for the scrolling effect
mOffset = 0;
}
