第五週

WEEK5  課堂der筆記筆記

課堂作業1~~~

1.

程式碼：

void setup(){

  size(400,400);

}

void draw(){

  background(128);

  strokeWeight(20);

  ellipse(100,200,180,360);

  ellipse(300,200,180,360);

  

  ellipse(100,200,10,10);

  ellipse(300,200,10,10);

  line(mouseX,mouseY,100,200);

  line(mouseX,mouseY,300,200);

}

2.

程式碼：

void setup(){

  size(800,800);

}

void draw(){

  background(128);

  strokeWeight(20);

  ellipse(100,200,180,360);

  ellipse(300,200,180,360);

  

  /*ellipse(100,200,10,10);

  ellipse(300,200,10,10);

  line(mouseX,mouseY,100,200);

  line(mouseX,mouseY,300,200);*/

  

  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);

}

課堂作業2~~~

1.

程式碼：

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(#F9FA62); ellipse(200,600,100,100);

  line(mouseX,mouseY,200,600);

  fill(#62FAD3); 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);

}

2.

程式碼：

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(#F9FA62); ellipse(200,600,100,100);

  for(int i=0 ; i<10 ; i++){

    fill(#62FAD3); 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++;

}

3.

程式碼：

void setup(){

  size(400,800);

  for(int i=0 ; i<20 ; i++){

    badDead[i]=false;

    badX[i]=random(0-300,400+300);

    badY[i]=random(-2000,0);

    badVX[i]=-(badX[i]-200)/300;

    badVY[i]=-(badX[i]-600)/300;

  }

}

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];

float[]badX=new float[20]; 

float[]badY=new float[20];

float[]badVX=new float[20];

float[]badVY=new float[20];

int now=0;

void draw(){

  background(0,128,0);

  fill(#F9FA62); ellipse(200,600,100,100);

  for(int i=0 ; i<10 ; i++){

    fill(#62FAD3); 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++;

}