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processing鼠标移动
int rectX,rectY;
int rectSize=90;
color rectColor;
color baseColor;
boolean rectOver=false;
void setup(){
size(640,360);
rectColor=color(0);
baseColor=color(102);
rectX=width/2-rectSize/2;
rectY=height/2-rectSize/2;
}
void draw(){
update(mouseX,mouseY);
noStroke();
if(rectOver){
background(rectColor);
}else {
background(baseColor);
}
stroke(255);
fill(rectColor);
rect(rectX,rectY,rectSize,rectSize);
}
void update(int x,int y){
if(overRect(rectX,rectY,rectSize,rectSize)){
rectOver=true;
}else{
rectOver=false;
}
}
boolean overRect(int x,int y,int width,int height){
if(mouseX>=x && mouseX<=x+width &&
mouseY>=y && mouseY<y+height){
return true;
}else{
return false;
}
}
processing鼠标移动