首先,我們先做能做出五指的互動,而且五根只投不同顏色,這樣比較好辨識,如下圖:

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);
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;
}
}
for(int f=0;f<5;f++){
stroke(f*20, 100,100);
for(int i=1;i<10;i++)
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);
}
}
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);
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;
}
}
for(int f=0;f<5;f++){
stroke(f*20, 100,100);
for(int i=1;i<10;i++)
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);
}
}

程式碼:
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); 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;pt[f][i].z=pt[f][i-1].z;} 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; if(f==1) println(now); } } translate(width/2, height/2, 0 ); rotateY(radians(frameCount/4.0)); translate(-width/2, -height/2, 0 ); for(int f=0;f<5;f++){ stroke(f*20, 100,100); for(int i=1;i<10;i++) 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); for(int i=0;i<640;i+=20) for(int j=0;j<480;j+=20){ noFill(); rect(i, j, 20, 20); } }
最後我們要做一個調色盤,並且畫筆可以變換顏色

完整程式碼:
import de.voidplus.leapmotion.*;//LeapMotion標頭檔 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+500, 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-60, 60,50); 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); } } } }
我在youtube找到一個密室逃脫的體感互動遊戲,覺得很有趣,想做這種的!
https://www.youtube.com/watch?v=ZIVw4gcQUpk
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