Error with pixels
in
Android Processing
•
1 year ago
Trying to build a platform game for android using colour recogniser but when I run it on android it gives an error.
- PImage bg;
- //////////character movement/////////
- float x;
- float y;
- float speedx;
- float speedy;
- float gravity;
- boolean startJump=false;
- boolean moveLeft=true;
- boolean moveRight=true;
- boolean moveUp=true;
- //////////color sample/////////
- color[] cU=new color[3];
- color[] cD=new color[3];
- color[] cL=new color[3];
- color[] cR=new color[3];
- color C;
- void setup() {
- orientation(PORTRAIT);
- size(600, 700);
- bg=loadImage("map.png");
- //////////character movement////////
- x=30;
- y=550;
- speedx=1;
- speedy=4;
- gravity=3;
- //////////color sample/////////
- C=bg.pixels[(bg.width*5)+(5)];
- }
- void draw() {
- background(0);
- image(bg,0, 0);
- //////////character movement/////////
- noStroke();
- fill(0, 255, 0);
- rect(x, y, 18, 18);
- y+=gravity;
- if (keyPressed ) {
- if (keyCode==LEFT && moveLeft==true) {
- x-=speedx;
- }
- if(keyCode==RIGHT && moveRight==true) {
- x+=speedx;
- }
- if (keyCode==UP && moveUp==true) {
- startJump=true;
- }
- }
- if (startJump==true) {
- y-=speedy;
- }
- //////////color sample/////////
- for (int lop=0;lop<3;lop++) {
- ////selecting the color that box touches
- cU[lop]=bg.pixels[((int)bg.width*(int)y-5)+((int)x+(6*lop))];
- cD[lop]=bg.pixels[((int)bg.width*((int)y+22))+((int)x+(6*lop))];
- cL[lop]=bg.pixels[((int)bg.width*((int)y+(6*lop)))+((int)x-5)];
- cR[lop]=bg.pixels[((int)bg.width*((int)y+(6*lop)))+((int)x+25)];
- if (cD[lop]==C) {
- gravity=0;
- }
- else {
- gravity=2;
- }
- if (cU[lop]==C) {
- startJump=false;
- moveUp=false;
- }else
- {
- moveUp=true;
- }
- if (cL[lop]==C) {
- moveLeft=false;
- }
- else {
- moveLeft=true;
- }
- if (cR[lop]==C) {
- moveRight=false;
- }
- else {
- moveRight=true;
- }
- }
- }
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