| 57 | } |
| 58 | |
| 59 | function animate() { |
| 60 | if (tx != window.innerWidth || ty != window.innerHeight) { |
| 61 | tx = window.innerWidth; |
| 62 | ty = window.innerHeight; |
| 63 | canvas.width = tx; |
| 64 | canvas.height = ty; |
| 65 | } |
| 66 | requestAnimationFrame(animate); |
| 67 | c.clearRect(0, 0, tx, ty); |
| 68 | for (var i = 0; i < bal.length; i++) { |
| 69 | bal[i].update(); |
| 70 | bal[i].y += bal[i].dy; |
| 71 | bal[i].x += bal[i].dx; |
| 72 | if (bal[i].y + bal[i].radius >= ty) { |
| 73 | bal[i].dy = -bal[i].dy * grav; |
| 74 | } else { |
| 75 | bal[i].dy += bal[i].vel; |
| 76 | } |
| 77 | if(bal[i].x + bal[i].radius > tx || bal[i].x - bal[i].radius < 0){ |
| 78 | bal[i].dx = -bal[i].dx; |
| 79 | } |
| 80 | if(mousex > bal[i].x - 20 && |
| 81 | mousex < bal[i].x + 20 && |
| 82 | mousey > bal[i].y -50 && |
| 83 | mousey < bal[i].y +50 && |
| 84 | bal[i].radius < 70){ |
| 85 | |
| 86 | bal[i].radius +=5; |
| 87 | } else { |
| 88 | if(bal[i].radius > bal[i].startradius){ |
| 89 | bal[i].radius += -5; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | |
| 94 | } |
| 95 | |
| 96 | } |
| 97 | |
| 98 | animate(); |
| 99 | |