Zahir Junejo

Emissive color change before collision

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        var canvas = document.getElementById("renderCanvas");
        var engine = new BABYLON.Engine(canvas, true);
        var initBallSpeed = 0.05;
        var ballSpeed = initBallSpeed;
        var xDirection = 1;
        var yDirection = 1;
        var boardX = -3.0;
        var boardY = 3.0; 
        var keyState = {};

        var MainScene = function () {
        
            // This creates a basic Babylon Scene object (non-mesh)
            var scene = new BABYLON.Scene(engine);
                    
            // This creates and positions a free camera (non-mesh)
            var camera = new BABYLON.FreeCamera("camera1", new BABYLON.Vector3(0, 0, -20), scene);
            //camera.attachControl(canvas, true);
            var light = new BABYLON.HemisphericLight("hemi", new BABYLON.Vector3(0, 1, 0), scene);
            
            //Setup the bat for the scene. Dont know what else to call it.
            var bat = BABYLON.Mesh.CreateBox("bat", 0.5, scene);
            bat.scaling.x = 5.0;
            bat.position.y = -5.0;


            //Setup the ball
            var ball = BABYLON.Mesh.CreateSphere("ball", 5, 0.5,scene);
            ball.position.y = bat.position.y + 1;
            ball.position.x = bat.position.x;

            //Register keypress actions with the ball
            scene.actionManager = new BABYLON.ActionManager(scene);

            window.addEventListener('keydown',function(e){
                keyState[e.keyCode || e.which] = true;
            },true);

            window.addEventListener('keyup',function(e){
                keyState[e.keyCode || e.which] = false;
            },true);

      //       scene.actionManager.registerAction(new BABYLON.ExecuteCodeAction(
      //           BABYLON.ActionManager.OnEveryFrameTrigger,
                     //  function (evt) {
                
            // }));

            //Setup the walls
            // Top Wall
            var topWall = BABYLON.Mesh.CreateBox("topWall", 0.5, scene);
            topWall.position.y = 6.0;
            topWall.scaling.x = 25.0;

            // Left Wall
            var leftWall = BABYLON.Mesh.CreateBox("leftWall", 0.5, scene);
            leftWall.position.x = -6.0;
            leftWall.position.y = 1.0;
            leftWall.scaling.y = 25.0;

            // Right Wall
            var rightWall = BABYLON.Mesh.CreateBox("rightWall", 0.5, scene);
            rightWall.position.x = 6.0;
            rightWall.position.y = 1.0;
            rightWall.scaling.y = 25.0;

            var enemy = BABYLON.Mesh.CreateBox("enemy1", 1.0, scene);
            enemy.position.x = boardX;
            enemy.position.y = boardY;

            var matBB = new BABYLON.StandardMaterial("matBB", scene);
            matBB.emissiveColor = new BABYLON.Color3(1, 1, 1);

            enemy.material = matBB;


            scene.registerBeforeRender(function(){
               
                ball.position.x += ballSpeed * xDirection;
                ball.position.y += ballSpeed * yDirection;
                

                if(ball.position.y < -7){
                    ball.position.y = bat.position.y + 1;
                    ball.position.x = bat.position.x;
                    ballSpeed = initBallSpeed;
                    xDirection = yDirection = 1;
                }

                if(ball.intersectsMesh(rightWall, true)){
                       xDirection = -1;
                }

                 if(ball.intersectsMesh(leftWall, true)){    
                     xDirection = 1;
                }
                
                if(ball.intersectsMesh(topWall, true)){
                     yDirection = -1;
                }

                if(ball.intersectsMesh(bat, true)){
                     yDirection = 1;
                     if(ballSpeed <= 0.25)
                     ballSpeed+=0.01;
                }

                if(ball.intersectsMesh(enemy, true))
                {  
                   xDirection = -1;
                   yDirection = -1;
                   enemy.material.emissiveColor = new BABYLON.Color3(1, 0, 0);
                }


                 if (keyState[37] || keyState[65]){
                     bat.position.x-=ballSpeed*2;
                }    

                if (keyState[39] || keyState[68]){
                     bat.position.x+=ballSpeed*2;
                }


            });

            return scene;
        };
        
        var scene = MainScene();

        engine.runRenderLoop(function () {
            scene.render();
        });

        // Resize
        window.addEventListener("resize", function () {
            engine.resize();
        });
   
Either I am really high or the enemy block is turning red before my ball can even collide with the block.

 

Any ideas?

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