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JavaScript_Physical_Engine.pdf

d2forum
July 20, 2012
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18k

 JavaScript_Physical_Engine.pdf

d2forum

July 20, 2012
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Transcript

  1. JPE JavaScript Physical Engine 廖健（正邪）@阿里云

  2. 物理引擎 在虚拟世界模拟真实世界的运转

  3. 一切物体在没有受到力的作用 时，总保持匀速直线运动状态或静 止状态，除非作用在它上面的力迫 使它改变这种运动状态。 牛顿第一定律

  4. 物体加速度的大小跟作用力成正 比，跟物体的质量成反比，加速度的 方向跟作用力的方向相同。 牛顿第二定律

  5. 质量 速度 动力 摩擦力 约束 碰撞检测 计算

  6. 渲染 线条 填充 位图 透明度

  7. demo

  8. demo