1.球移動
void setup(){size(500,500);}int x=250,y=250;void draw(){ellipse(x,y,10,10);x=x+1;y=y-1;}
3.球碰到板子反彈(遊戲)void setup(){size(500,500);}float x=250,y=250; //變數位置(精細)float vx=1.0,vy=-0.5;void draw(){ellipse(x,y,10,10); //橢圓x=x+vx;y=y+vy;if(x>500) vx=-vx;if(y<0) vy=-vy;}
void setup(){size(500,500);}float x=250,y=250; //變數位置(精細)float vx=2.0,vy=-1.5;void draw(){background(#FFFFF2); //背景(去除殘影)int boardX = mouseX;rect(boardX,470,100,20); //控制的板子ellipse(x,y,10,10); //橢圓x=x+vx;y=y+vy;if(x>500) vx=-vx;if(y<0) vy=-vy;if(x<0) vx=-vx;if(y>470 && x>boardX && x<boardX+100) vy=-vy; //碰到板子反彈}
void setup(){size(500,500);}float x=250,y=250; //變數位置(精細)float vx=2.0,vy=-2.5;float boardX,boardY=470,boardW=100,boardH=20;void draw(){background(#FFFFF2); //背景(去除殘影)boardX = mouseX - boardW/2;rect(boardX,boardY,boardW,boardH); //控制的板子ellipse(x,y,10,10); //橢圓x=x+vx;y=y+vy;if(x>500) vx=-vx;if(y<0) vy=-vy;if(x<0) vx=-vx;if((y>boardY && y<boardY+boardH) &&(x>boardX && x<boardX+boardW)){vy = -vy;vx +=(mouseX - pmouseX)/2; //mouse移動速度}if(mousePressed && mouseButton == LEFT)boardW*=1.01; //按滑鼠左鍵板子變大if(mousePressed && mouseButton == RIGHT)boardW*=0.99;}
void setup(){size(500,500);}void draw(){for(int x=50;x<=450;x+=50){ //用回圈畫出很多棋for(int y=50;y<=450;y+=50){ellipse(x,y,50,50);}}}
void setup(){size(500,500);}int [][] go={{0,0,0,0,0,0,0,0,1},{0,0,0,0,0,0,0,0,1},{0,0,0,0,0,0,0,0,1},{0,0,0,0,0,0,1,0,1},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},};void draw(){for(int i=0;i<9;i++){ //用回圈畫出很多棋for(int j=0;j<9;j++){if(go[i][j]==1)fill(0);else fill(255);ellipse(50+j*50,50+i*50,50,50);}}}
void setup(){size(500,500);}int [][] go={ //1:黑子 2:白子{0,0,0,0,0,0,0,0,1},{0,0,0,0,0,0,0,0,1},{0,0,0,0,0,0,0,2,1},{0,0,0,0,0,0,1,0,1},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},};void draw(){//用回圈畫出很多棋background(246,194,108);//木頭色棋盤for(int i=1;i<=9;i++){ //畫線條line(50,50*i,450,50*i);line(50*i,50,50*i,450);}for(int i=0;i<9;i++){for(int j=0;j<9;j++){if(go[i][j]==1){fill(0);ellipse(50+j*50,50+i*50,40,40);}else if(go[i][j]==2){fill(255);ellipse(50+j*50,50+i*50,40,40);}}}}
8.用滑鼠下棋
void setup(){size(500,500);}int [][] go={ //1:黑子 2:白子{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0,0},};int N=0;void mousePressed(){int j = (mouseX-25)/50;int i = (mouseY-25)/50;go[i][j]=(N%2==0) ? 1:2;N++;}void draw(){//用回圈畫出很多棋background(246,194,108);//木頭色棋盤for(int i=1;i<=9;i++){ //畫線條line(50,50*i,450,50*i);line(50*i,50,50*i,450);}for(int i=0;i<9;i++){for(int j=0;j<9;j++){if(go[i][j]==1){fill(0);ellipse(50+j*50,50+i*50,40,40);}else if(go[i][j]==2){fill(255);ellipse(50+j*50,50+i*50,40,40);}}}}








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