English: Physic ball press ↑ to jump, ← and → to move. space to change costume G to change the ground ------------------------------------------------------------------------- 中文： 物理球 按←↑→来移动与跳跃。 按空格来换球造型。 按G换地面。
v0.1: only falling & costume changing. v0.2: detect ground. v0.7: bounce! v0.72: Bugfix. v0.9: jump! v1.0: you can now move left & right! (This is the first version) v1.3: more costumes. v1.5: Wall detection. (Press G to change ground) v1.54: Bugfix. v1.57: more effects. v1.65: slope detection. (please give credit if you use it to your platformer)
