In this example: http://deeplogic.info/project/webGL/
How can I rotate the object in the direction in which it is travelling?
In this example: http://deeplogic.info/project/webGL/ How can I rotate the object in the direction in
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In this example: http://deeplogic.info/project/webGL/
How can I rotate the object in the direction in which it is travelling?
To get rotation around z for an object moving in the direction (x, y) you can use the
Math.atan2(y,x)method. It’ll return an angle in radians. The OpenGL convention prior to ES 2 was to work in degrees, but nowadays it’s up to whatever code you have to push transformations to the vertex shader. You’ll probably want to convert though, in which case just multiply the result by 180 (half a circle in degrees) and divide by pi (half a circle in radians).