Week06 06161215

電腦圖學 2019.10.17
Part 1 氣球

PImage imgBalloon;
float []balloonX=new float[200];
float []balloonY=new float[200];
float []balloonSize=new float[200];
int nowN=0;
void setup(){
 size(500,400);
 imgBalloon = loadImage("balloon.png");
}
void draw(){
 background(255);
 for(int 1=0; i<nowN; i++){
  image(imgBalloon,balloonX[i],balloonY[i],balloonSize[i],balloonSize[i]/2*3);
  if(balloonY[i]>0) balloonY[i]--;
 }
}
void mousePressed(){
 balloonSize[nowN]=100;
 balloonX[nowN]=mouseX-balloonSize[nowN]/2;
 balloonY[nowN]=mouseY-balloonSize[nowN]/2*3;
 nowN++;

}

Part 1-1 讓氣球充氣

PImage imgBalloon;

float []balloonX=new float[200];

float []balloonY=new float[200];

float []balloonSize=new float[200];

int nowN=0;

void setup(){

 size(500,400);

 imgBalloon = loadImage("balloon.png");

}

void draw(){

 background(255);

 for(int i=0; i<nowN; i++){

  image(imgBalloon,balloonX[i],balloonY[i],balloonSize[i],balloonSize[i]/2*2);

  if(balloonY[i]>0) balloonY[i]--;

 }

 if(mousePressed) setBalloon(balloonSize[nowN-1]*1.01,nowN-1);

}

void setBalloon(float size,int i){

balloonSize[i]=size;

 balloonX[i]=mouseX-balloonSize[i]/2;

 balloonY[i]=mouseY-balloonSize[i]/2*2; 

}

void mousePressed(){

 setBalloon(10,nowN);

 nowN++;

}