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本帖最后由 volcanoohead 于 2011-3-15 12:49 编辑
float x,y,nx1,ny1,nx2,ny2,nx3,ny3,nx4,ny4,nx5,ny5,nx6,ny6,px,py,scf,scfx,scfy;
float scfl = 0.95;
float t1 = 0;
float l1 = 160;
float st1 = 0.01;
float elf = 1.5;
float t2 = 1;
float l2 = l1 * scfl;
float st2 = 0.02;
float t3 = 2;
float l3 = l2 * scfl;
float st3 = 0.05;
float t4 = 3;
float l4 = l3 * scfl;
float st4 = 0.07;
float t5 = 4;
float l5 = l4 * scfl;
float st5 = 0.09;
float t6 = 5;
float l6 = l5 * scfl;
float st6 = 0.07;
float t7 = 6;
float l7 = l6 * scfl;
float st7 = 0.05;
void setup(){
size(1100,1100);
smooth();
}
void draw(){
//refresh background
background(255);
x = mouseX;
y = mouseY;
scfx = 0.6*((width/2)-(abs(x-(width/2))))/(width / 2);
scfy = 0.6*((height/2)-(abs(y-(height/2))))/(height / 2);
scf = min(scfx,scfy);
// set circle point algorithms
nx1 = x+scf*elf*l1*sin(t1);
ny1 = y+scf*l1*cos(t1);
t1=t1+st1;
nx2 = nx1+scf*l2*sin(t2);
ny2 = ny1+scf*elf*l2*cos(t2);
t2=t2-st2;
nx3 = nx2+scf*elf*l3*sin(t3);
ny3 = ny2+scf*l3*cos(t3);
t3=t3+st3;
nx4 = nx3+scf*l4*sin(t4);
ny4 = ny3+elf*scf*l4*cos(t4);
t4=t4-st4;
// set a circle point algorithm
nx5 = nx4+elf*scf*l5*sin(t5);
ny5 = ny4+scf*l5*cos(t5);
t5=t5+st5;
// set a circle point algorithm
nx6 = nx5+elf*scf*l6*sin(t6);
ny6 = ny5+scf*l6*cos(t6);
t6=t6-st6;
//draw some circles
if ( x < width/2){
if ( y < height/2){
fill(0,128,255,100);
} else if ( y >= height/2){
fill(255,0,0,100);
}
}
else{
if ( y < height/2){
fill(200,255,120,100);
} else if ( y >= height/2){
fill(255,255,0,100);
}
}
noStroke();
ellipse(x,y,scf*l1*(sin(t1)+cos(t1))*2,scf*l1*(sin(t1)+cos(t1))*2);
ellipse(nx1,ny1,scf*l2*(sin(t2)+cos(t2))*2,scf*l2*(sin(t2)+cos(t2))*2);
ellipse(nx2,ny2,scf*l3*(sin(t3)+cos(t3))*2,scf*l3*(sin(t3)+cos(t3))*2);
ellipse(nx3,ny3,scf*l4*(sin(t4)+cos(t4))*2,scf*l4*(sin(t4)+cos(t4))*2);
ellipse(nx4,ny4,scf*l5*(sin(t5)+cos(t5))*2,scf*l5*(sin(t5)+cos(t5))*2);
ellipse(nx5,ny5,scf*l6*(sin(t6)+cos(t6))*2,scf*l6*(sin(t6)+cos(t6))*2);
ellipse(nx6,ny6,scf*l7*(sin(t7)+cos(t7))*2,scf*l7*(sin(t7)+cos(t7))*2);
//draw a bezier
noFill();
stroke(255);
strokeWeight(3);
beginShape();
curveVertex(x,y);
curveVertex(nx1,ny1);
curveVertex(nx2,ny2);
curveVertex(nx3,ny3);
curveVertex(nx4,ny4);
curveVertex(nx5,ny5);
curveVertex(nx6,ny6);
curveVertex(x,y);
curveVertex(nx1,ny1);
curveVertex(nx2,ny2);
endShape();
noStroke();
bezier (x,y,nx1,ny1,nx2,ny2,nx3,ny3);
bezier (nx3,ny3,nx4,ny4,nx5,ny5,nx6,ny6);
bezier (nx6,ny6,x,y,nx1,ny1,nx2,ny2);
bezier (nx2,ny2,nx3,ny3,nx4,ny4,nx5,ny5);
bezier (nx5,ny5,nx6,ny6,x,y,nx1,ny1);
bezier (nx1,ny1,nx2,ny2,nx3,ny3,nx4,ny4);
bezier (nx4,ny4,nx5,ny5,nx6,ny6,x,y);
// draw center point
stroke(0);
strokeWeight(5);
ellipseMode(CENTER);
ellipse(x,y,5,5);
ellipse(nx1,ny1,5,5);
ellipse(nx2,ny2,5,5);
ellipse(nx3,ny3,5,5);
ellipse(nx4,ny4,5,5);
ellipse(nx5,ny5,5,5);
ellipse(nx6,ny6,5,5);
stroke(255);
strokeWeight(1);
ellipseMode(CENTER);
ellipse(x,y,5,5);
ellipse(nx1,ny1,2,2);
ellipse(nx2,ny2,2,2);
ellipse(nx3,ny3,2,2);
ellipse(nx4,ny4,2,2);
ellipse(nx5,ny5,2,2);
ellipse(nx6,ny6,2,2);
//draw clock arms
stroke(100);
strokeWeight(1);
line(x,y,nx1,ny1);
line(x,y,nx2,ny2);
line(nx1,ny1,nx2,ny2);
line(nx1,ny1,nx3,ny3);
line(nx1,ny1,nx4,ny4);
line(nx1,ny1,nx5,ny5);
line(nx2,ny2,nx3,ny3);
line(nx2,ny2,nx4,ny4);
line(nx2,ny2,nx5,ny5);
line(nx3,ny3,nx4,ny4);
line(nx3,ny3,nx5,ny5);
line(nx4,ny4,nx5,ny5);
line(nx5,ny5,nx6,ny6);
line(nx4,ny4,nx6,ny6);
line(nx3,ny3,nx6,ny6);
line(nx2,ny2,nx6,ny6);
line(nx1,ny1,nx6,ny6);
line(x,y,nx6,ny6);
// draw coordinate lines
stroke(255,100);
strokeWeight(1);
line(0,y,width,y);
line(x,0,x,height);
line(0,ny1,width,ny1);
line(nx1,0,nx1,height);
line(0,ny2,width,ny2);
line(nx2,0,nx2,height);
line(0,ny3,width,ny3);
line(nx3,0,nx3,height);
line(0,ny4,width,ny4);
line(nx4,0,nx4,height);
line(0,ny5,width,ny5);
line(nx5,0,nx5,height);
line(0,ny6,width,ny6);
line(nx6,0,nx6,height);
//draw center white point
stroke(255);
strokeWeight(1);
ellipseMode(CENTER);
ellipse(x,y,5,5);
ellipse(nx1,ny1,2,2);
ellipse(nx2,ny2,2,2);
ellipse(nx3,ny3,2,2);
ellipse(nx4,ny4,2,2);
ellipse(nx5,ny5,2,2);
ellipse(nx6,ny6,2,2);
println("scf = " +scf + " x = " + x + " y = " + y + " nx1 = " + nx1 + " ny1 = " + ny1);
} |
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发表于 2011-3-14 17:58:09
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