Panda3D Manual: Particle Factories
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There are two types of particle factories, Point and ZSpin. The particle panel shows a third, Oriented, but this factory does not currently work. The differences between these factories lie in the orientation and rotational abilities. First, there are some common variables to the factories.
Variable | Definition | Values
lifespanBase | Average lifespan in seconds | [0, infinity)
lifespanSpread | Variation in lifespan | [0, infinity)
massBase | Average particle mass | [0, infinity)
massSpread | Variation in particle mass | [0, infinity)
terminalVelocityBase | Average particle terminal velocity | [0, infinity)
terminalVelocitySpread | Variation in terminal velocity | [0, infinity)
Point particle factories generate simple particles. They have no additional parameters. ZSpin particle factories generate particles that spin around the Z axis, the vertical axis in Panda3D. They have some additional parameters.
Variable | Definition | Values
initialAngle | Starting angle in degrees | [0, 360]
initialAngleSpread | Spread of initial angle | [0, 360]
finalAngle | Final angle in degrees | [0, 360]
fnalAngleSpread | Spread of final angle | [0, 360]
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