Flash Animation for Physics with Box2D AS3: Fall Diamond Body Physics Simulation
In this flash animations for physics with Box2D AS3 tutorial, we will use Box2D physics engine to simulate the falling down of a diamond object
Flash Box2D Physics Simulation Tutorial Content
With Box2D physics simulation engine, you can use any irregular body to do flash physics animation. However you have to define the vertex of the polygon. In this physics animation tutorial, we use a diamond to do the simulation.
To do flash physics simulation with irregular body, we have to calculate the co-ordinate of each vertex. The co-ordinate of each vertex is calculated from the center point of the body. Here's the vertex co-ordinate of the diamond:

Flash Box2D Physics Engine ActionScript Codes
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This Flash Box2D Physics Engine ActionScript tutorial show how to simulate a diamond falling down.