PVector [] pt = new PVector[10];
void setup(){
size(640,480,P3D);
for(int i=0;i<10;i++)
pt[i]= new PVector(0,0,0); //設一個陣列
}
void draw(){
background(0); // 把滑鼠之前畫出來的過程用背景清除
stroke(#38E5FA);
for(int i=9;i>0;i--){ pt[i].x=pt[i-1].x;pt[i].y=pt[i-1].y;}
pt[0].x=mouseX; // 陣列裡面存滑鼠作標
pt[0].y=mouseY;
for(int i=1;i<10;i++)
line(pt[i].x,pt[i].y,pt[i].z,pt[i-1].x,pt[i-1].y,pt[i-1].z); // 把之前的滑鼠作標換到新的座標
}
先用滑鼠作出滑動會有殘影的效果
--------------------------------------------------------------------------------------------------------------------------
import de.voidplus.leapmotion.*;
LeapMotion leap;
PVector [] pt=new PVector[10];
void setup()
{
size(600, 800, P3D);
for (int i=0; i<10; i++)
pt[i]=new PVector(0, 0, 0);
leap = new LeapMotion(this);
}
void draw()
{
background(0);
stroke(255, 25, 10);
//line(mouseX,mouseY,pmouseX,pmouseY);
for (int i=9; i>0; i--)
{
pt[i].x=pt[i-1].x;
pt[i].y=pt[i-1].y;
}
for (Hand hand : leap.getHands ()) {
for (Finger finger : hand.getFingers ()) { //加入leapmotion用食指畫出線條
switch(finger.getType()) {
case 1:
PVector now = finger.getPosition();
pt[0].x=now.x;
pt[0].y=now.y;
break;
}
}
}
for (int i=1; i<10; i++)
line(pt[i].x, pt[i].y, pt[i].z, pt[i-1].x, pt[i-1].y, pt[i-1].z); //依然有殘影
}
用手指作出滑動會有殘影的效果
-------------------------------------------------------------------------------------------------------------------------
LeapMotion leap;
PVector [] pt=new PVector[10];
void setup()
{
size(600, 800, P3D);
for (int i=0; i<10; i++)
pt[i]=new PVector(0, 0, 0);
leap = new LeapMotion(this);
}
void draw()
{
background(0);
stroke(255, 25, 10);
//line(mouseX,mouseY,pmouseX,pmouseY);
for (int i=9; i>0; i--)
{
pt[i].x=pt[i-1].x;
pt[i].y=pt[i-1].y;
}
for (Hand hand : leap.getHands ()) {
for (Finger finger : hand.getFingers ()) { //加入leapmotion用食指畫出線條
switch(finger.getType()) {
case 1:
PVector now = finger.getPosition();
pt[0].x=now.x;
pt[0].y=now.y;
break;
}
}
}
for (int i=1; i<10; i++)
line(pt[i].x, pt[i].y, pt[i].z, pt[i-1].x, pt[i-1].y, pt[i-1].z); //依然有殘影
}
用手指作出滑動會有殘影的效果
-------------------------------------------------------------------------------------------------------------------------
import de.voidplus.leapmotion.*;
LeapMotion leap;
PVector [][] pt=new PVector[5][100];//因為不能讓線一下就消失, 增加陣列
void setup()
{
size(600, 800, P3D);
for(int f=0;f<5;f++){
for (int i=0; i<100; i++)
pt[f][i]=new PVector(0, 0, 0);
}
leap = new LeapMotion(this);
colorMode(HSB,100); //增加漸層顏色
}
void draw()
{
background(0);
stroke(255, 25, 10);
//line(mouseX,mouseY,pmouseX, pmouseY);
for(int f=0;f<5;f++){
for(int i=99;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 ()) {
for (Finger finger : hand.getFingers ()) { //抓手指頭五根
int f=finger.getType();
PVector now = finger.getPosition(); //抓手的位置
pt[f][0].x=now.x;//pt[0].x= mouseX;
pt[f][0].y=now.y;//pt[0].y= mouseY;
}
}
for(int f=0;f<5;f++){
stroke(f*20,100,100);
for (int i=1; i<100; 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][100];//因為不能讓線一下就消失,
void setup()
{
size(600, 800, P3D);
for(int f=0;f<5;f++){
for (int i=0; i<100; i++)
pt[f][i]=new PVector(0, 0, 0);
}
leap = new LeapMotion(this);
colorMode(HSB,100); //增加漸層顏色
}
void draw()
{
background(0);
stroke(255, 25, 10);
//line(mouseX,mouseY,pmouseX,
for(int f=0;f<5;f++){
for(int i=99;i>0;i--){pt[f][i].x=pt[f]
}
for (Hand hand : leap.getHands ()) {
for (Finger finger : hand.getFingers ()) { //抓手指頭五根
int f=finger.getType();
PVector now = finger.getPosition(); //抓手的位置
pt[f][0].x=now.x;//pt[0].x=
pt[f][0].y=now.y;//pt[0].y=
}
}
for(int f=0;f<5;f++){
stroke(f*20,100,100);
for (int i=1; i<100; 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);
}
}
今天上課最後一個作業
偵測出五根手指頭
然後加入漸層顏色
可以在空中畫出像仙女棒的效果!!
棒棒
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