week04-1
//week04-01_atan_dy_dx_cos_sin
void setup(){
size(600,300);
}
void draw(){
background(#C0FFEE);
ellipse(150,150,100,100); //大眼睛
//ellipse(150+25,150,50,50);
float dx=mouseX-150,dy=mouseY-150;
float a=atan2(dy,dx); //算出角度
ellipse(150+cos(a)*25,150+sin(a)*25,50,50);
}
week04-2
//week04-2_atan2_for_x_dy_dx_cos_sin
void setup(){
size(600,300);
}
void draw(){
background(#C0FFEE);
for(int x=150;x<=450;x+=300){
ellipse(x,150,100,100); //大眼睛
//ellipse(150+25,150,50,50);
float dx=mouseX-x,dy=mouseY-150;
float a=atan2(dy,dx); //算出角度
ellipse(x+cos(a)*25,150+sin(a)*25,50,50);
}
}
week04-3
//week04-3_rotate
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(width/2,height/2);
//rotateY(radians(mouseX)); //上周的左右轉
rotateX(radians(-mouseY)); //本周的上下轉
box(200);
}
//week04-4_rotateZ
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(width/2,height/2);
rotateZ(radians(mouseX));
ellipse(0,0,100,150);
}
week04-5
//week04-5_robot_arm_pushMatrix_T_R_T_box_popMatrix
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(width/2,height/2);
pushMatrix();
translate(0,100);
box(50);
pushMatrix();
translate(0,-25);
rotateZ(radians(mouseX));
translate(0,-50);
box(10,100,10);
popMatrix();
popMatrix();
}
week04-5a
//week04-5a
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(width/2,height/2); //移到畫面中心
//把以下2行分別註解，觀察
rotateZ(radians(frameCount)); //對Z軸旋轉
translate(0,-50); //把下端移到中心
box(10,100,10);
week04-5b
//week04-5b
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
//translate(width/2,height/2); //移到畫面中心
translate(mouseX,mouseY);
rotateZ(radians(frameCount)); //對Z軸旋轉
translate(0,-50); //把下端移到中心
box(10,100,10);
}
week04-6
//week04-6_push_translate_rotate_sphere_pop
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
pushMatrix();
translate(mouseX,mouseY);
rotateY(radians(frameCount));
sphere(100);
popMatrix();
}
week04-7
//week04-7_sun_earth
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(width/2,height/2);
sphere(50); //太陽
rotateY(radians(frameCount));
pushMatrix();
translate(150,0);
rotateY(radians(frameCount));
sphere(30); //地球
popMatrix();
}
week04-8
//week04-8_sun_earth_moon
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(width/2,height/2);
sphere(50); //太陽
rotateY(radians(frameCount));
pushMatrix();
translate(150,0);
rotateY(radians(frameCount));
sphere(30); //地球
pushMatrix();
translate(50,0);
rotateY(radians(frameCount));
sphere(10); //月亮
popMatrix();
popMatrix();
}
week04-9
//week04-9_earth_texture
PImage img = loadImage("earth.jpg");
size(600,300);
image(img,0,0,600,300);
week04-10
//week04-10_earth_createShape_setTexture_shape
size(400,400,P3D);
PShape earth=createShape(SPHERE,100);
PImage img=loadImage("earth.jpg");
earth.setTexture(img);
shape(earth);
week04-11
//week04-11_earth
PShape earth;
void setup(){
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));
shape(earth);
}
//week04-14_sun_earth_moon_setTexture
PShape sun,earth,moon;
//樓下剪貼自week04-8，樓上是week11,12,13
void setup(){
size(400,400,P3D);
sun=createShape(SPHERE,50);
PImage img=loadImage("sun.jpg");
sun.setTexture(img);
moon=createShape(SPHERE,30);
img=loadImage("earth.jpg");
moon.setTexture(img);
earth=createShape(SPHERE,10);
img=loadImage("moon.jpg");
earth.setTexture(img);
}
void draw(){
background(128);
translate(width/2,height/2);
shape(sun);//sphere(50); //太陽
rotateY(radians(frameCount));
pushMatrix();
translate(150,0);
rotateY(radians(frameCount));
shape(earth);//sphere(30); //地球
pushMatrix();
translate(50,0);
rotateY(radians(frameCount));
shape(moon);//sphere(10); //月亮
popMatrix();
popMatrix();
}
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