diff --git a/game.js b/game.js index e69de29..b1ed960 100644 --- a/game.js +++ b/game.js @@ -0,0 +1,83 @@ + const scrn = document.getElementById('canvas'); + const sctx = scrn.getContext("2d"); + sctx.fillStyle = "#30c0df"; + let frames = 0; + const gnd = { + sprite : new Image(), + x : 0, + y :0, + draw : function() { + y = parseFloat(scrn.height-this.sprite.height); + sctx.drawImage(this.sprite,this.x,y); + } + }; + const bg = { + sprite : new Image(), + x : 0, + y :0, + draw : function() { + y = parseFloat(scrn.height-this.sprite.height); + sctx.drawImage(this.sprite,this.x,y); + } +}; +const gr = { + sprite : new Image(), + x : 0, + y :0, + draw : function() { + y = parseFloat(scrn.height-this.sprite.height)/2; + x = parseFloat(scrn.width-this.sprite.width)/2; + sctx.drawImage(this.sprite,x,y); + } +}; +const bird = { + animations : + [ + {sprite : new Image()}, + {sprite : new Image()}, + {sprite : new Image()}, + {sprite : new Image()}, + ], + x : 13, + y :100, + frame:0, + draw : function() { + sctx.drawImage(this.animations[this.frame].sprite,this.x,this.y); + } + +}; + +gnd.sprite.src="img/ground.png"; +bg.sprite.src="img/BG.png"; +gr.sprite.src="img/getready.png"; +bird.animations[0].sprite.src="img/bird/b0.png"; +bird.animations[1].sprite.src="img/bird/b1.png"; +bird.animations[2].sprite.src="img/bird/b2.png"; +bird.animations[3].sprite.src="img/bird/b0.png"; +console.log(gnd.sprite); + +gameLoop(); + + function gameLoop() + { + update(); + draw(); + frames++; + requestAnimationFrame(gameLoop); + } + + function update() + { + bird.frame += (frames%5==0) ? 1 : 0; + bird.frame = bird.frame%4; + bird.y += (frames%5==0) ? (Math.random()-0.5)*2 : 0; + } + function draw() + { + sctx.fillRect(0,0,scrn.width,scrn.height) + bg.draw(); + gnd.draw(); + bird.draw(); + gr.draw(); + } + diff --git a/index.html b/index.html index b18dd8b..5fd2098 100644 --- a/index.html +++ b/index.html @@ -4,8 +4,10 @@