2025年3月6日 星期四

12750290

 //week03-01-p3d

void setup(){
  size(400,400,P3D);
  
}
void draw(){
  background(128);
  translate(mouseX,mouseY);
  rotateY(radians(frameCount));
  box(200);
}


//WEKK03-2-2D
size(400,400);
stroke(255,0,0);
strokeWeight(8);
point(200,200);
line(200,0,400,100);
rect(50,50,100,100);

fill(255,255,0);
ellipse(300,200,50,80);

//week03-3-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-stroke-strokeweight
void setup(){
  size(500,500);
}
void draw(){
  //background(255);
  fill(255,0,0);
  rect(0,0,50,50);
  fill(255,255,0);
  rect(0,50,50,50);
  fill(0,255,0);
  rect(0,100,50,50);
  fill(0,0,255);
  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);
  }
}

//week03-05-mouse-cat-x-y void setup(){ size(400,400); } float x,y; void draw(){ background(255); ellipse(x,y,40,40); ellipse(mouseX,mouseY,40,20); x=(x*14+mouseX)/15; y=(y*14+mouseY)/15; }

//weel03-06-lerp 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() float midX=lerp(startX,stopX,frameCount/200.0); float midY=lerp(startY,stopY,frameCount/200.0); ellipse(midX,midY,10,10); }
//week03-07-bezier 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);

//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; 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); }

//weel03-09-3D
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-point
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);
  stroke(255);
  translate(0,0,mouseY);
  for(int i=0;i<5000;i++){
    point(x[i],y[i],z[i]);
  }
}

//week03-11
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  translate(mouseX,mouseY);
  rotateY(radians(frameCount));
  sphere(200);
}
//week03-12-sphere-translate-lights void setup(){ size(400,400,P3D); } void draw(){ background(128); lights(); translate(mouseX,mouseY); rotateY(radians(frameCount)); sphere(200); }

//week03-13-3D-pushMatrix-translate-sphere-popMatrix
void setup(){
  size(600,400,P3D);
}
void draw(){
  background(128);
  lights();
  pushMatrix();
    translate(300,100);
    sphere(100);
  popMatrix();
  pushMatrix();
    translate(100,100);
    sphere(100);
  popMatrix();
}










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