week03_1///week03-1translate rotateY radiansbox
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(mouseX,mouseY);
rotateY(radians(frameCount));
box(200);
}
week03_2
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
///week03_3rect_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_4
///week03_4 stroke strokeweight fill ???
void setup(){
size(500,500);
}
void draw(){
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);
}////week0304mousePressed stroke line
}
///week03_4b stroke strokeweight fill ???
void setup(){
size(500,500);
}
void draw(){
stroke(0);
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);
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);
}////week0304mousePressed stroke line
}
week03_5
//week03-5-mousecat????
void setup(){
size(400,400);
}
float x,y;
void draw(){
background(255);
ellipse(x,y,40,40);
ellipse(mouseX,mouseY,40,20);
x=(x*19+mouseX)/20;
y=(y*19+mouseY)/20;
}
week03_6
void setup(){
size(400,400);
}
float startX=10,startY=10;
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到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FARME 一小時60分，一分=60秒，一秒等於60FRAME
ellipse(midX,midY,10,10);
}
week03_7
///week03_7
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);///貝式曲線
//week03_08 bazier
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);///貝式曲線
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
///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(-400,400);
}
}
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
//week03-113Dsphere
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
translate(mouseX,mouseY);
rotateY(radians(frameCount));
sphere(200);
}
week03-12
//week03-123Dsphere lights
void setup(){
size(400,400,P3D);
}
void draw(){
background(128);
lights();
translate(mouseX,mouseY);
rotateY(radians(frameCount));
sphere(200);
}
week03-13
//week03-13 3D matrix
void setup(){
size(600,400,P3D);
}
void draw(){
background(128);
pushMatrix();///備份矩陣
lights();
translate(300,100);
rotateY(radians(frameCount));
sphere(100);
popMatrix();///清空矩陣
pushMatrix();
translate(100,100);
rotateY(radians(frameCount));
sphere(100);
popMatrix();
}
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