week04

01.Java程式:眼睛:

void setup(){

  size(600,600);

}

void draw(){

  background(#C0FFEE);

  fill(255);

  ellipse(150,150,100,100);

  float dx = mouseX-150, dy = mouseY-150;

  float a = atan2(dy,dx);

  fill(0);

  ellipse(150+cos(a)*25,150+sin(a)*25, 50, 50);

}

02.Java程式:兩顆眼睛

void setup() {

  size(600, 600);

}

void draw() {

  background(#C0FFEE);

  for (int x = 150; x<=450; x+=300) {

    fill(255);

    ellipse(x, 150, 100, 100);

    float dx = mouseX-150, dy = mouseY-150;

    float a = atan2(dy, dx);

    fill(0);

    ellipse(x+cos(a)*25, 150+sin(a)*25, 50, 50);

  }

}

03.Java程式:箱子X軸轉動:

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2,height/2);

  rotateX(radians(-mouseY));

  box(200);

}

void setup(){

  size(400,400,P3D);

}

04.Java程式:Z軸轉動:

void draw(){

  background(128);

  translate(width/2,height/2);

  rotateZ(radians(mouseX));

  ellipse(0,0,100,150);

}

05.Java程式:機械臂Z軸轉動:

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2,height/2);

  pushMatrix();

    translate(0,100);

    box(50);

    pushMatrix();

      translate(0,0,-25);

      rotateZ(radians(mouseX));

      box(10,100,10);

    popMatrix();

  popMatrix();

}

06.Java程式:太陽系模型:

void setup() {

  size(400, 400, P3D);

}

void draw() {

  background(128);

  translate(width/2,height/2);

  sphere(50);

  rotateY(radians(frameCount));

  pushMatrix();

    translate(150, 0);

    rotateY(radians(frameCount));

    sphere(30);

    pushMatrix();

      translate(50, 0);

      rotateY(radians(frameCount));

      sphere(10);

    popMatrix();

  popMatrix();

}

07.Java程式:地球自轉:

void setup() {

  PShape earth;

  size(400, 400, P3D);

  earth = createShape(SPHERE, 100);

  PImage img = loadImage("earth.jpg");

  earth.setTexture(img);

}

void draw() {

  background(0);

  translate(width/2,height/2);

  rotateY(radians(frameCount));

}