Week05 呂汶佶

(一) 眼球互動

void setup(){

size(800,800);

}

void draw(){

background(128);

strokeWeight(20);

ellipse(100,200, 180,360);

ellipse(300,200, 180,360);

float angle1= atan2((mouseY-200)/2,mouseX-300);

float newX1=300 + 100*cos(angle1)/2;

float newY1=200 + 200*sin(angle1)/2;

ellipse(newX1,newY1,10,10);

float angle2= atan2((mouseY-200)/2,mouseX-100);

float newX2=100 + 100*cos(angle2)/2;

float newY2=200 + 200*sin(angle2)/2;

ellipse(newX2,newY2,10,10);

}

 (二)射泡泡

void setup(){
size(400,800);
}
float ballX=200, ballY=600;
float ballVX=0, ballVY=0;
float angle=0;
void draw(){
background(0,128,0);
fill(#FA9703);ellipse(200,600,100,100);
line(mouseX,mouseY,200,600);
fill(#F9FA03);ellipse(ballX,ballY,30,30);
angle=atan2(mouseY-600,mouseX-200);
ballX+=ballVX;
ballY+=ballVY;
}
void mouseMoved(){
ballX=200+50*cos(angle);
ballY=600+50*sin(angle);
}
void mousePressed(){
ballVX=cos(angle);
ballVY=sin(angle);

}

射多顆泡泡

void setup(){

size(400,800);

}

float[] ballX=new float[10];

float[] ballY=new float[10];

float[] ballVX=new float[10];

float[] ballVY=new float[10];

float[] angle=new float[10];

int now=0;

void draw(){

background(0,128,0);

fill(#FA9703);ellipse(200,600,100,100);

for(int i=0;i<10;i++){

fill(#F9FA03);ellipse(ballX[i],ballY[i],30,30);

ballX[i]+=ballVX[i]; ballY[i]+=ballVY[i];

}

angle[now]=atan2(mouseY-600,mouseX-200);

}

void mouseMoved(){

ballX[now]=200+50*cos(angle[now]);

ballY[now]=600+50*sin(angle[now]);

}

void mousePressed(){

ballVX[now]=cos(angle[now]);

ballVY[now]=sin(angle[now]);

now++;

}