HTMLGame/js/component.js

function component(width, height, color, x, y, type) {
    this.type = type;
    this.score = 0;
    this.width = width;
    this.height = height;
    this.speedX = 0;
    this.speedY = 0;    
    this.x = x;
    this.y = y;
    this.gravity = 0;
    this.gravitySpeed = 0;
    this.isMoving = false;
    this.direction = true;
    this.isJumping = false;
    if (type == "image") {
        this.image = new Image();
        this.image.src = color;
    }
    this.update = function() {
        ctx = myGameArea.context;
        if (type == "image") {
            if(this.direction){
                ctx.drawImage(this.image,
                this.x,
                this.y,
                this.width, this.height);
            }else{
                ctx.drawImage(this.image,
                this.x+this.width,
                this.y,
                this.width, this.height);
            }
        } else {
            ctx.fillStyle = color;
            ctx.fillRect(this.x, this.y, this.width, this.height);
        }
    }
    this.newPos = function() {
        this.gravitySpeed += this.gravity;
        this.x += this.speedX;
        this.y += this.speedY + this.gravitySpeed;
        this.hitBottom();
        if(!myGamePiece.isMoving){
            myGamePiece.image.src = charAnim[0];
        }
    }
    this.hitBottom = function() {
        var rockbottom = myGameArea.canvas.height - this.height;
        if (this.y > rockbottom) {
            this.y = rockbottom;
            this.gravitySpeed = 0;
            this.isJumping = false;
        }else{
            this.isJumping = true;
        }
    }
    this.crashWith = function(otherobj) {
        var myleft = this.x;
        var myright = this.x + (this.width);
        var mytop = this.y;
        var mybottom = this.y + (this.height);
        var otherleft = otherobj.x;
        var otherright = otherobj.x + (otherobj.width);
        var othertop = otherobj.y;
        var otherbottom = otherobj.y + (otherobj.height);
        var crash = true;
        if ((mybottom < othertop) || (mytop > otherbottom) || (myright < otherleft) || (myleft > otherright)) {
            crash = false;
        }
        return crash;
    }
}