//--------------------------------------------------------------
void vbo::setup(){
ofEnableDepthTest();
ofEnableBlendMode(OF_BLENDMODE_ADD);
glEnable(GL_POINT_SMOOTH);
glPointSize(1.0);
resetImg();
resetVerts();
}
// Constructor: init the texture, set starting positions for the object and set texture coordinates
// Call base constructor to initialize inherited vars
Image::Image(int iHeight, int iWidth, const string& sImage) : Graphic(iHeight, iWidth)
{
InitializeTexture(&m_pTexture, sImage);
// Set initial geometry coords
resetImg();
m_pTextCoords[0][0] = 0;
m_pTextCoords[0][1] = 0;
m_pTextCoords[1][0] = 0;
m_pTextCoords[1][1] = m_pTexture.height;
m_pTextCoords[2][0] = m_pTexture.width;
m_pTextCoords[2][1] = m_pTexture.height;
m_pTextCoords[3][0] = m_pTexture.width;
m_pTextCoords[3][1] = 0;
}
//--------------------------------------------------------------
void vbo::update(){
if (timer % 80 == 0) {
if (y < HEIGHT) {
if(x < WIDTH) {
xValue = pixels[y*WIDTH*3+x*3];
yValue = pixels[y*WIDTH*3+x*3+1];
zValue = pixels[y*WIDTH*3+x*3+2];
x++;
}else{
x = 0;
y++;
}
}else{
y = 0;
}
}
if (timer < lastingTime) {
timer++;
}else{
timer = 0;
resetImg();
resetVerts();
}
if (!overdose) {
for (int i = 0; i < WIDTH; i++) {
for (int j = 0; j < HEIGHT; j++) {
myVerts[j*WIDTH+i].x += (vec[j*WIDTH+i].x * vecLength[j*WIDTH+i]/10000);
myVerts[j*WIDTH+i].y += (vec[j*WIDTH+i].y * vecLength[j*WIDTH+i]/10000);
myVerts[j*WIDTH+i].z += (vec[j*WIDTH+i].z * vecLength[j*WIDTH+i]/20000);
if(vecLength[j*WIDTH+i] > 100){
vec[j*WIDTH+i].normalize();
}
}
}
vec[longestVec] = myVerts[longestVec] - ofVec3f(0,0,0);
if(vec[longestVec].length() > initialLength * 200){
resetVerts();
}
}
myVbo.updateVertexData(myVerts, NUM_PARTICLES);
}