Pixels
程式碼:
PImage img;
color nowColor;
void setup(){
size(300,200);
img=loadImage("cloud.png");
}
void draw(){
image(img,0,0);
fill(nowColor);
rect(0,0,30,30);
}
void mouseMoved(){
loadPixels();
int now = width*mouseY+mouseX;
nowColor=pixels[now];
}

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