week03
//week03-1
void setup()
{
size(400,400,P3D); //開啟3D模式
}
void draw()
{
background(128);//灰色背景
translate(mouseX,mouseY);
rotateY(radians(frameCount));//對Y旋轉
box(200);//大小200的3D BOX盒子
}
//week03-2
size(400,400); //2D
stroke(255,0,0); //筆觸是紅色
strokeWeight(8); //筆觸的權重大小
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(300,200,50,80);//橢圓
//week03-3
size(400,400);
rect(50,50,200,200,20);
rect(50,200,100,100,20);
rect(200,50,100,100,10,20,30,40);
//week03-4
void setup(){
size(500,500);
}
void draw(){
//background(255);
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);
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);
}
}
//week03-4-b
void setup(){
size(500,500);
}
void draw(){
//background(255);
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);
}
}
//week03-5
void setup(){
size(400,400);
}
float x,y;//貓的座標
void draw(){
background(255);
ellipse(x,y,40,40);
ellipse(mouseX, mouseY,40,20);
x = (x*4 + mouseX) /5;
y = (y*4 + mouseY) /5;
}//新的座標 舊的座標*14,目標*1
//week03-6
void setup(){
size(400,400);
}
float startX =10, startY = 10;
float stopX = 390, stopY = 290;
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, stopX, 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60float
ellipse(midX,midY,10,10);
}
//week03-07
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,x3,x4,y4);//貝是曲線
//week03-8
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,x3,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);
}
//week03-8-b
void setup(){
size(400,400);
}
int x1=120, x2=320, x3=320, x4=120;
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,x3,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);
}
//week03-9
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
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);
}
}
void draw(){
background(0);//黑色的背景
stroke(255);//白色的線條
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
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
lights();
translate(mouseX, mouseY);
rotateY(radians(frameCount));
sphere(200);
}
//week03-13
void setup(){
size(600,400,P3D);
}
void draw(){
background(128);
lights();
pushMatrix();//備份矩陣
translate(300,100); // 習慣上 要往右再縮
sphere(100);
popMatrix();//還原矩陣
//要備份矩陣, 還原矩陣,就不會出錯
pushMatrix();
translate(100,100);
sphere(100);
popMatrix();
}
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