Hi again,

I got the thing KIND OF working, but something is wrong with my hit detection now T-T it seems my sector height and width are always zero....       sqVis is never true...

Any ideas? Thanks ahead of time

1. /*
     Bree Rubin's quarter of the destruction project.
     A lot of this code was helped by attending the workshop
     wit Ramsey and Eric on making Asteroids.
    
     --- got more help later *sigh*
   */
   
   //laser gun == RADICAL!!!
   float laserX, laserY, laserSpeed, startPoint;
   
   //shooter
   float zapX, zapY, zapSpeed;
   boolean zapVis;  //whether or not the zap exists
   
   //Key input
   int keyDownArraySize = 127;
   boolean[] keyDown = new boolean [keyDownArraySize]; //not 100% on this one
   
   //bgimg
   PImage zeImg;
   
   
   
   //rows cols for grid
   int rows = 12;
   int cols = 12;
   
   
   //grid sectors
   int  sqWidth = width/cols;
   int  sqHeight = height/rows;
   
   
   
    
   //array visibility of blackbox
   boolean[][] sqVis = new boolean[rows][cols];
   int[][] sqAlpha = new int[rows][cols];
   
   
   ////////////////////////BEGIN SETUP --------------
   
   void setup(){
    // frameRate(20);
     size(1024 , 768);
     zeImg = loadImage("logo_bottomleft.jpg");
     smooth();
    
     initLaser();
     initZap ();
    
     for (int i = 0; i<rows; i++){
       for (int g = 0; g<cols; g++){
         sqVis[i][g]=false;
       }
     }
    
   }//end setup
   
   
   ////////////////////////BEGIN INITIALIZING STUFF-------
   
   
   
   void initLaser (){
    laserX = 0;
    laserY = 0;
    laserSpeed = 5;
    startPoint = height-100;
   }
   
   void initZap (){
     zapX = 0;
     zapY = 0;
     zapSpeed = 1;
     zapVis = false;
   }
   
   
   /////////////////////BEGIN DRAW LOOP ------
   
   void draw() {
     //background(0);
    
   
     image(zeImg, 0, 0);
     drawLaser();
     updateLaser();
     if (zapVis) {
       drawZap();
       updateZap();
     }
     inputHandler();
     hitDetect();
    
   
   }//end draw loop
   
   ////////////////////OBJECTS
   
   void drawLaser() {
     stroke(255);
     fill(0,255,0);
     pushMatrix();
     //christmas
     //height-200 should also be a variable like... bottomStart or something
     translate(laserX, startPoint);
     rect(0,0,60,10);
     popMatrix();  //end matrix
   } // end drawLaser
   
   void updateLaser() {
     if ( laserX+50 > width) {
       laserX = width-50;
     }
     if ( laserX < 0 ) {
       laserX = 0;
     }
   }// end updateLaser
   
   
   void drawZap() {
     noStroke();
     fill(random(0,255),random(0,255),random(0,255));
     pushMatrix();
     //christmas
     //make the 40 a variable, laserWidth, 30 is half what the width is right now
     translate(laserX, height-200);
     ellipse(30,zapY,10,50);
     popMatrix();  //end matrix
   } // end drawLaser
   
   
   void updateZap() {
     zapX=laserX;
     zapY-=10;
    
     //christmas
     //it's doing something strange from the translation, i'm not sure why but it works
     //you will probably want to dbl check what it is later... zapY is 0 when it is fired
     //and goes negative, that's why it's -(height-200)
     if (zapY < -(height-200)) {
      zapVis = false;
     }
   }// end updatezap
   
   ////////////////////OBJECT BEHAVIORS
   
   
   void hitDetect (){
    
     for (int i=0; i<rows; i++){
       for (int g=0; g<cols; g++){
         println("g "+g+" "+"i "+i);
         println("sector width and height  "+sqWidth +sqHeight);   
      
         if (zapX >= i && zapX <= (i+sqWidth) || zapY >=g && zapY <= (g+sqHeight)){
            sqVis[i][g] = true;
            println("true  "+i+" "+g);
          }
   
         if (!sqVis[i][g]){
           println("FALSE");
          }
         
         else if (sqVis[i][g]){
           println("tru");
           fill(0);
           rect(i,g,(i+sqWidth), (g-sqHeight));
           sqAlpha[i][g]=255; //decreases alpha
           }
       println("bullet location  "+zapX+" "+zapY); 
       println("gun location  "+laserX+" "+laserY); 
        
       }//end g for
     }//end i for
    
   
   }
   
   
   
   
   
   
   /////////////////////INPUT HANDLERS ETC
   
   void inputHandler() {
     // begin controlling my laserz
     //christmas
     //fixed your left right stuff
     if (keyDown[LEFT] || keyDown[37]) {
       laserX-=5;
     }
     if (keyDown[RIGHT] || keyDown[39]) {
       laserX+=5;
     } 
   
     //space is pressed to fire ze laserz!!!
     if (keyDown[32]) {
       if(!zapVis) {
         //christmas
         //it's not resetting the values of the bullet so i call initZap() here to clear
         //the previous bullet's coords
         //deleted the extraneous code
         initZap();
         zapVis = true;
       }
     }
   } //end inputHandler
   
   
   
   
   
   
   void keyPressed() {
   
     if(keyCode < keyDownArraySize) {
       keyDown[keyCode] = true;
     } //end if
   } //this function also allows for pressing TWO+ keys at once
   //so you can move and rotate at the same time!
   
   void keyReleased() {
   
     if(keyCode < keyDownArraySize) {
       keyDown[keyCode] = false;
     } //end if
   }