06160166 week02

20190919  Week02

畫出殘影格子

void setup(){
  size(800,300);
}
void draw(){
  rect(mouseX,mouseY,50,20);
}
打卡機基本功能

void setup(){
  size(800,300);
  for(int x=0;x<800;x+=16){
      for(int y=0;y<300;y+=30){
        rect(x,y,16,30);
      }
  }
}
void draw(){
  int nowX=mouseX/16*16,nowY=mouseY/30*30;
  fill(0);
  rect(nowX,nowY,16,30);

}
打卡機完整功能
void setup(){
  size(800,300);
  for(int x=0;x<800;x+=16){
      for(int y=0;y<300;y+=30){
        rect(x,y,16,30);
      }
  }
}
void draw(){
  int nowX=mouseX/16*16,nowY=mouseY/30*30;
  if(mousePressed && mouseButton==LEFT){
    fill(0);
    rect(nowX,nowY,16,30);
}else if(mousePressed && mouseButton==RIGHT){
    fill(255);
    rect(nowX,nowY,16,30);
}

}

匯入圖片
size(500,500);
PImage img=loadImage("http://pic.90sjimg.com/design/00/78/05/88/592e5cf898cda.png");

image(img,0,0,500,500);

用滑鼠畫圖片
PImage img;
void setup(){
  size(500,500);
  img=loadImage("http://pic.90sjimg.com/design/00/78/05/88/592e5cf898cda.png");
}
void draw(){
  image(img,mouseX,mouseY,200,200);

}

打卡機最終版本
PImage imgBG;
int [][]table=new int[55][50]; 
void setup(){
  size(1023,656);
  imgBG=loadImage("https://static7.depositphotos.com/1242588/746/i/950/depositphotos_7461636-stock-photo-old-vintage-postcard-background.jpg");
}
void draw(){
  background(imgBG);
  int nowI=mouseX/16,nowJ=mouseY/30;
   if(mousePressed && mouseButton==LEFT){
     table[nowI][nowJ]=1;
    }
    else if(mousePressed && mouseButton==RIGHT){
    table[nowI][nowJ]=0;
  }
  for(int i=0;i<55;i++){
    for(int j=0;j<50;j++){
      fill(0);
      if(table[i][j]==1)rect(i*16,j*30,16,30);
    }
  }

}