Código-Fonte:
PImage imgOriginal;
PImage img2;
PImage img3;
float a,a2,r,g,b;
int pos;
void setup(){
a=1;
a2=1;
mouseY=1;
size(320,240);
imgOriginal = loadImage("opa.jpg");
img2 = loadImage("trololo.jpg");
img3 = loadImage("yopa.JPG");
}
void draw(){
loadPixels();
//a = a - 0.001;
if(mouseY<height/2){
a=float(mouseY)/float(height/2);
println(float(mouseY)/float(height/2));
}else{
a2=float(mouseY-height/2)/float(height/2);
println(float(mouseY-height/2)/float(height/2));
}
for(int x=0;x<320;x++){
for(int y=0;y<240;y++){
if(a>=0 && mouseY<width/2){
pos=y*320+x;
r = (1-a) * red(imgOriginal.pixels[pos]) + a * red(img2.pixels[pos]);
g = (1-a) * green(imgOriginal.pixels[pos]) + a * green(img2.pixels[pos]);
b = (1-a) * blue(imgOriginal.pixels[pos]) + a * blue(img2.pixels[pos]);
pixels[pos] = color(r,g,b);
}else if(a2>=0 && mouseY>height/2){
pos=y*320+x;
r = (1-a2) * red(img2.pixels[pos]) + a2 * red(img3.pixels[pos]);
g = (1-a2) * green(img2.pixels[pos]) + a2 * green(img3.pixels[pos]);
b = (1-a2) * blue(img2.pixels[pos]) + a2 * blue(img3.pixels[pos]);
pixels[pos] = color(r,g,b);
}
}
}
updatePixels();
}
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