//week03_01_P3D_translate_rotateY_radians_box
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(mouseX,mouseY);
rotateY(radians(frameCount));
box(200);
}
//week03_02_2D_point_line_rect_elipse
size(400,400);//2D座標系統
stroke(255,0,0);//筆觸是紅色
strokeWeight(8);//比重的權重大小
point(200,200);//預設的點,只有1 pixel
line(200,0,400,100);//畫線
rect(50,50,100,100);//四邊形 x,y,w,h
fill(255,255,0);//填黃色
ellipse(200,200,50,80);//橢圓x,y,w,h
//week03_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_04b_sroke_strokeWeight_fill_
void setup(){
size(500,500);
}
void draw(){
//background(255);//先刪掉
stroke(0);
fill(255,0,0);//紅色
rect(0,0,50,50);
fill(255,255,0);//黃色
rect(0,50,50,50);
fill(0,255,0);//綠色
rect(0,100,50,50);
fill(0,0,255);//藍色
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);
}
}
//week03_05_mouse_cat_x_y
void setup(){
size(400,400);
}
float x,y;//貓的座標
void draw(){
background(255);
ellipse(mouseX,mouseY,40,20);
ellipse(x,y,40,40);
x=(x*14+mouseX)/15;
y=(y*14+mouseY)/15;
}
//week03_06_
void setup(){
size(400,400);
}
float startX=0,startY=0;
float stopX=390,stopY=390;
void draw(){
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,startX,frameCount/200.0);
float midY=lerp(startY,stopY,frameCount/200.0);
//frameCount 是(第幾個frame)1小時=60分,1分=60秒,1秒=60
ellipse(midX,midY,10,10);
}
//week03_06b_lerp_frameCount
void setup(){
size(400,400);
}
float startX=0,startY=0;
float stopX=390,stopY=290;
void draw(){
background(255);
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,startX,frameCount/200.0);
float midY=lerp(startY,stopY,frameCount/200.0);
//frameCount 是(第幾個frame)1小時=60分,1分=60秒,1秒=60 frame
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_
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);
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;//只改控制點的座標
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);
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_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);
stroke(255);
for(int i=0;i<1000;i++){
point(x[i],y[i]);
}
}
//week03_10_3D_random_random_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);//黑色的背景
stroke(255);//白色的背景
translate(0,0,mouseY);
for(int i=0;i<5000;i++){
point(x[i],y[i],z[i]);//現在是3D的點
}
}
//week03_11_3D_sphere_translate_rotateY
void setup(){
size(400,300,P3D);
}
void draw(){
background(128);
translate(mouseX,mouseY);
rotateY(radians(frameCount));
sphere(200);
}
//week03_12_3D_sphere_translate_rotateY
void setup(){
size(400,300,P3D);
}
void draw(){
background(128);
lights();//加上打光
translate(mouseX,mouseY);
rotateY(radians(frameCount));
sphere(200);
}
//week03_13_3D_
void setup(){
size(600,400,P3D);
}
void draw(){
background(128);
lights();
pushMatrix();//備分矩陣
translate(300,100);//習慣上,要往右再縮
sphere(100);
popMatrix();//還原矩陣
//要備分矩陣,還原矩陣,就不會出錯
pushMatrix();
translate(100,100);
sphere(100);
popMatrix();
}
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