week05
processing的3D功能
void setup(){
size(400,400,P3D); //3D功能
}
void draw(){
background(#FFFFF2);
pushMatrix();//備份矩陣
translate(mouseX,mouseY);//移動
rotateY(radians(mouseX));//對Y軸轉動
fill(0,255,0);面填成綠色
box(100);
noFill();//面不要填
scale(2);//放大兩倍
box(100);
popMatrix();//還原矩陣
}
ArrayList<PVector> pt;
void setup(){
size(400,400,P3D);
pt = new ArrayList<PVector>();
}
void darw(){
background(#FFFFF2);
pushMatrix();
if(mousePressed&&mouseButton==RIGHT){
translate(200,200);
rotateY(radians(frameCount));
translate(-200,-200);
}
for(PVector p: pt){
ellipse(p.x,p.y,10,10);
}
beginShape();
for(PVector p: pt){
vertex(p.x,p.y);
}
endShape();
popMatrix();
}
void mousePressed(){
if(mouseButton==LEFT){
pt.add( new PVector(mouseX,mouseY));
}
}
ArrayList<PVector>pt;
void setup(){
size(400,400,P3D);
pt=new ArrayList<PVector>();
for(int i=0;i<20;i++){
pt.add(new PVector(i*20,20));
}
}
void draw(){
background(255);
for(PVector p:pt){
ellipse(p.x,p.y,10,10);
}
if(ans!=null)ellipse(ans.x,ans.y,15,15);
}
PVector ans=null;
void mousePressed(){
for(PVector p : pt){
if(dist(p.x,p.y,mouseX,mouseY)<5){
ans=p;
}
}
}
ArrayList<PVector>pt;
void setup(){
size(400,400,P3D);
pt=new ArrayList<PVector>();
for(int i=0;i<37;i++){
pt.add(new PVector(random(400),random(400)));
}
}
void draw(){
background(255);
for(PVector p:pt){
ellipse(p.x,p.y,10,10);
}
if(ans!=null)ellipse(ans.x,ans.y,15,15);
}
PVector ans=null;
void mouseDragged(){
if(mouseButton==CENTER &&ans!=null){
ans.x=mouseX;
ans.y=mouseY;
}
}
void mousePressed(){
if(mouseButton==LEFT)pt.add(new PVector(mouseX,mouseY));
else if(mouseButton==CENTER){
for(PVector p : pt){
if(dist(p.x,p.y,mouseX,mouseY)<5){
ans=p;
}
}
}
}
ArrayList<PVector>pt;
void setup(){
size(400,400,P3D);
pt=new ArrayList<PVector>();
for(int i=0;i<37;i++){
pt.add(new PVector(random(400),random(400)));
}
}
void draw(){
background(255);
for(PVector p:pt){
ellipse(p.x,p.y,10,10);
}
if(ans!=null)ellipse(ans.x,ans.y,15,15);
}
PVector ans=null;
void mouseDragged(){
if(mouseButton==CENTER &&ans!=null){
ans.x=mouseX;
ans.y=mouseY;
}
}
void mousePressed(){
if(mouseButton==LEFT)pt.add(new PVector(mouseX,mouseY));
else if(mouseButton==CENTER){
for(PVector p : pt){
if(dist(p.x,p.y,mouseX,mouseY)<5){
ans=p;
}
}
}else if(mouseButton==RIGHT){
for(int i=0;i<pt.size();i++){
PVector p = pt.get(i);
if(dist(p.x,p.y,mouseX,mouseY)<5){
pt.remove(i);
}
}
}
}
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