implement simulator in processing

This commit is contained in:
interfisch 2018-01-14 00:39:56 +01:00
parent 21733b6c6c
commit 61233ae6c9
1 changed files with 109 additions and 0 deletions

View File

@ -0,0 +1,109 @@
import hypermedia.net.*;
int pixelSize = 4;
int bitPerPixel = 2;
int width=160;
int height=144;
int windowWidth=width*pixelSize;
int windowHeight=height*pixelSize;
UDP udp;
byte[] emptyByteArray = new byte[0];
byte receivedData[]=emptyByteArray;
byte imagebuffer[][]=new byte[width][height];
PImage led[]=new PImage[(int)pow(2,bitPerPixel)];
void settings() {
size(width*pixelSize, height*pixelSize,P2D);
}
void setup() {
//Setup Graphics
frameRate(30);
noSmooth();
background(0);
noStroke();
//UDP
udp = new UDP( this, 2323 );
//udp.log( true ); // <-- printout the connection activit
udp.listen( true );
//Precompute LED Images
for (byte b=0;b<led.length;b++){
led[b] = createImage(pixelSize, pixelSize, RGB);
led[b].loadPixels();
for (int px = 0; px < pixelSize; px++) {
for (int py = 0; py < pixelSize; py++) {
float distanceFromCenter=sqrt( pow(px-pixelSize/2,2) + pow(py-pixelSize/2,2) ) / sqrt(pow(pixelSize/2,2) + pow(pixelSize/2,2));
int colorR=255/3*b;
int colorG=127/3*b;
int colorB=0;
float brightnessMultiplier=map(distanceFromCenter, 0.4, 1/sqrt(2), 1.0, 0.0);
if(brightnessMultiplier<0){
brightnessMultiplier=0;
}else if(brightnessMultiplier>1){
brightnessMultiplier=1;
}
colorR*=brightnessMultiplier;
colorG*=brightnessMultiplier;
colorB*=brightnessMultiplier;
led[b].pixels[py*pixelSize+px] = color(colorR,colorG,colorB);
}
}
led[b].updatePixels();
}
}
//draw event handler
void draw() {
//map byte data to imagebuffer
if (receivedData.length > 0){ //new data?
byte[] cachedData=receivedData; //cache data to free array for new data
receivedData = emptyByteArray;
for (int i=0;i<cachedData.length;i++){
for (int shift=0;shift<(8/bitPerPixel);shift++){ //bitshifts because a byte can contain multiple pixels
int pixelnumber=i*(8/bitPerPixel)+shift; //absolute pixelnumber
int x=pixelnumber%width;
int y=pixelnumber/width;
int value= (cachedData[i]&( 3 <<(shift*bitPerPixel))) >> (shift*bitPerPixel); //mask relevant bits for current pixel
imagebuffer[x][y]=(byte)value; //write pixel value to image buffer
}
}
}
clear(); //clear screen
//int timeA=millis();
//Draw leds
for (int x = 0; x < imagebuffer.length; x++){
for (int y = 0; y < imagebuffer[x].length; y++){
byte pixel=imagebuffer[x][y];
//fill(255/3*pixel,127/3*pixel,0); //set pixel color
//ellipse(x*pixelSize+pixelSize/2, y*pixelSize+pixelSize/2, pixelSize, pixelSize); //Very slow
//rect(x*pixelSize, y*pixelSize, pixelSize, pixelSize); //works fast enough
image(led[pixel], x*pixelSize, y*pixelSize); //draw precomputed led image, as fast as rect but looks nicer
}
}
//int timeB=millis()-timeA;
//println("Time="+(timeB));
}
//udp receive event handler
void receive( byte[] data, String ip, int port ) {
receivedData=data; //received data to buffer
}