//week03_01_P3D_translate_rotateY_radians_box
void setup(){
size(400,400,P3D);//open 3D mod
}
void draw(){
background(128);// 灰色背景
translate(mouseX,mouseY);
rotateY(radians(frameCount));//對Y旋轉
box(200);// size 200 3D box
}
//week03_02_2D_point_line_rect_ellipse_
size(400,400);//2D座標系統
stroke(255,0,0);
strokeWeight(8);//筆觸的權重大小
point(200,200);//預設點只有1 pixel
line(200,0,400,100);//draw line
rect(50,50,100,100);//x,y,w,h
fill(255,255,0);//fill yellow
ellipse(300,200,50,80);//橢圓x,y,w,h
//week3_03_rect_corners
size(400,400);
rect(50,50,100,100);
rect(50,200,100,100,20);
rect(200,50,100,100,10,20,30,40);
//week03_04_mousePressed_stroke_line_strokeWeight_fill
void setup(){
size(500,500);
}
void draw(){
//background(255);
fill(255,0,0);//red
rect(0,0,50,50);
fill(255,255,0);//yellow
rect(0,50,50,50);
fill(0,255,0);//green
rect(0,100,50,50);
fill(0,0,255);//blue
rect(0,150,50,50);
if(mousePressed) line(mouseX,mouseY,pmouseX,pmouseY);
}
void mousePressed(){
if(mouseX<50){
if(mouseY<50) stroke(255,0,0);
else if(mouseY<100) stroke(255,255,0);
else if(mouseY<150) stroke(0,255,0);
else if(mouseY<200) stroke(0,0,255);
}
}
//week03_04_mousePressed_stroke_line_strokeWeight_fill
void setup(){
size(500,500);
}
void draw(){
//background(255);
stroke(0);
fill(255,0,0);//red
rect(0,0,50,50);
fill(255,255,0);//yellow
rect(0,50,50,50);
fill(0,255,0);//green
rect(0,100,50,50);
fill(0,0,255);//blue
rect(0,150,50,50);
stroke(myStroke);
if(mousePressed) line(mouseX,mouseY,pmouseX,pmouseY);
}
color myStroke;
void mousePressed(){
if(mouseX<50){
if(mouseY<50) myStroke=color(255,0,0);
else if(mouseY<100) myStroke=color(255,255,0);
else if(mouseY<150) myStroke=color(0,255,0);
else if(mouseY<200) myStroke=color(0,0,255);
}
}
//week_03_05_mouse_cat_x_y
void setup(){
size(400,400);
}
float x,y;
void draw(){
background(255);
ellipse(mouseX,mouseY,40,20);
ellipse(x,y,40,40);
x=(x*14+mouseX)/15;
y=(y*14+mouseY)/15;
}//新座標，就座標*14 目標*1
//week03_06_lerp_frameCount
void setup(){
size(400,400);
}
float startX=0,startY=0;
float stopX=390,stopY=290;
void draw(){
background(255);//清除殘影
ellipse(startX,startY,10,10);
ellipse(stopX,stopY,10,10);
//lerp() 可以做內插 要給他0.0-1.0之間的數
float midX=lerp(startX,stopX, frameCount/200.0);
float midY=lerp(startY,stopY, frameCount/200.0);
//frameCount 是 第幾個frame 1 second=60frame
ellipse(midX,midY,10,10);
}
//week03_07_bezier_curve
size(400,400);
int x1=340,x2=40,x3=360,x4=60;
int y1=80,y2=40,y3=360,y4=320;
line(x1,y1,x2,y2);
line(x3,y3,x4,y4);
bezier(x1,y1,x2,y2,x3,y3,x4,y4);//貝氏曲線
//week03_08_bezier_equation
void setup(){
size(400,400);
}
int x1=340,x2=40,x3=360,x4=60;
int y1=80,y2=40,y3=360,y4=320;
void draw(){
background(255);
line(x1,y1,x2,y2);
line(x3,y3,x4,y4);
bezier(x1,y1,x2,y2,x3,y3,x4,y4);//貝氏曲線
float t=frameCount/200.0%1;
float t2=1-t;
float x=x1*t2*t2*t2+3*x2*t*t2*t2+3*x3*t*t*t2+x4*t*t*t;
float y=y1*t2*t2*t2+3*y2*t*t2*t2+3*y3*t*t*t2+y4*t*t*t;
ellipse(x,y,10,10);
}
//week03_08b_bezier_equation
void setup(){
size(400,400);
}
int x1=120,x2=320,x3=320,x4=120;//只改控制點座標
int y1=80,y2=20,y3=300,y4=300;
void draw(){
background(255);
line(x1,y1,x2,y2);
line(x3,y3,x4,y4);
bezier(x1,y1,x2,y2,x3,y3,x4,y4);//貝氏曲線
float t=frameCount/200.0%1;
float t2=1-t;
float x=x1*t2*t2*t2+3*x2*t*t2*t2+3*x3*t*t*t2+x4*t*t*t;
float y=y1*t2*t2*t2+3*y2*t*t2*t2+3*y3*t*t*t2+y4*t*t*t;
ellipse(x,y,10,10);
}
//week03_09_3D_random_point
float []x=new float[1000];
float []y=new float[1000];
void setup(){
size(400,400,P3D);
for(int i=0;i<1000;i++){
x[i]=random(400);
y[i]=random(400);
}
}
void draw(){
background(0);//black
stroke(255);
for(int i=0;i<1000;i++){
point(x[i],y[i]);
}
}
//week03_10_3D_random_point_translate
float []x=new float[5000];
float []y=new float[5000];
float []z=new float[5000];
void setup(){
size(400,400,P3D);
for(int i=0;i<5000;i++){
x[i]=random(400);
y[i]=random(400);
z[i]=random(-400,400);
}
}
void draw(){
background(0);//black
stroke(255);
translate(0,0,mouseY);
for(int i=0;i<5000;i++){
point(x[i],y[i],z[i]);// 現在是3D point
}
}
//week03_11_3D_sphere_translate_roateY
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(mouseX,mouseY);
rotate(radians(frameCount));
sphere(200);
}
//week03_1_3D_sphere_translate_roateY_lights
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
lights();//加上打光
translate(mouseX,mouseY);
rotate(radians(frameCount));
sphere(200);
}
//week03_13_3D_pushMatrix_translate_sphere_popMatrix
void setup(){
size(600,400,P3D);
}
void draw(){
background(128);
lights();
pushMatrix();//輩分矩陣
translate(300,100);//習慣縮排
sphere(100);
popMatrix();//還原矩陣
pushMatrix();
translate(100,100);
sphere(100);
popMatrix();
}
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