利用上禮拜的程式再加以修改來達成3D旋轉的效果
import de.voidplus.leapmotion.*;//LeapMotion標頭檔
LeapMotion leap;
PVector [][] pt = new PVector[5][50];
//PVector pt1,pt2,pt3,pt4,pt5,pt6,pt7,pt8,pt9,pt10;
void setup() {
size(640, 480, P3D); //開啟3D深度
colorMode(HSB, 100);
for (int f=0; f<5; f++)
for (int i=0; i<50; i++)
pt[f][i] = new PVector(0, 0, 0);
leap = new LeapMotion(this);//LeapMotion起始值
}
void draw() {
background(0);
//stroke(48,191,153);
stroke(#30BF99);
for (int f=0; f<5; f++)
for (int i=49; i>0; i--) {
pt[f][i].x=pt[f][i-1].x;
pt[f][i].y=pt[f][i-1].y;
}
for (Hand hand : leap.getHands ()) {//抓取手
for (Finger finger : hand.getFingers ()) {//抓取手指
int f=finger.getType();
PVector now = finger.getPosition();
pt[f][0].x = now.x;
pt[f][0].y = now.y;
pt[f][0].z = now.z*2-90; //調整Z軸的位移量
if (f==1) println(now);
}
}
translate(width/2, height/2, 0);
rotateY(radians(frameCount/4.0)); //調整旋轉速度
translate(-width/2, -height/2, 0);
for (int f=0; f<5; f++) {
for (int i=1; i<10; i++) {
stroke(f*20, 100, 100);
line(pt[f][i].x, pt[f][i].y, pt[f][i].z, pt[f][i-1].x, pt[f][i-1].y, pt[f][i-1].z);
}
}
stroke(60, 100, 100); //畫出背景網格
for (int i=0; i<640; i+=20)
for (int j=0; j<480; j+=20) {
noFill();
rect(i, j, 20, 20);
}
}

將左手改為拿調色盤 右手不顯示(之後顯示可以改為拿筆)
import de.voidplus.leapmotion.*;
LeapMotion leap;
void setup() {
size(640,480,P3D);
leap = new LeapMotion(this);
}
void draw(){
background(255); //清背景為白色
for(Hand hand : leap.getHands() ){
PVector pos=hand.getPosition();
if(hand.isLeft() ){
ellipse(pos.x,pos.y,200,100);
}else if(hand.isRight() ){
rect(pos.x,pos.y,10,100);
}
}
}

將右手改為棒子之後,且設定若距離圈圈<30則改成那個顏色
import de.voidplus.leapmotion.*;
LeapMotion leap;
void setup() {
size(640, 480, P3D);
leap = new LeapMotion(this);
}
color nowColor = color(255, 0, 0);
PVector leftPos;
void draw() {
background(255);
for (Hand hand : leap.getHands () ) {
PVector pos=hand.getPosition();
if (hand.isLeft() ) {
noFill();
ellipse(pos.x, pos.y, 200, 100);
fill(255, 0, 0);
ellipse(pos.x+150, pos.y, 60, 50);
fill(255, 255, 0);
ellipse(pos.x+120, pos.y-40, 60, 50);
fill(0, 255, 0);
ellipse(pos.x+90, pos.y-40, 060, 50);
fill(0, 0, 255);
ellipse(pos.x+30, pos.y-60, 60, 50);
fill(255, 0, 255);
ellipse(pos.x-20, pos.y-60, 60, 50);
leftPos=pos;
} else if (hand.isRight() ) {
fill(nowColor);
rect(pos.x, pos.y, 10, 100);
println(leftPos);
println(pos);
if (dist(pos.x, pos.y, leftPos.x+120, leftPos.y-40)<30) {
nowColor = color(255, 255, 0);
}
}
}
}


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