Rotation¶
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These parameters specify how the individual particles are rotated during their travel. To visualize the rotation of a particle you should choose visualization type Axis in the Visualization panel and increase the Display Size.
- Orientation Axis
Sets the initial rotation of the particle by aligning the X axis in the direction of:
- None
- The global X axis.
- Normal
- Orient to the emitter’s surface normal, the objects Y axis points outwards.
- Normal-Tangent
- As with normal, orient the Y axis to the surface normal. Also orient the X axis to the tangent for control over the objects rotation about the normal. requires UV coordinates, the UV rotation effects the objects orientation, currently uses the active UV map. This allow deformation without the objects rotating in relation to their surface.
- Velocity
- The particle’s initial velocity.
- Global X, Y, Z
- One of the global axes.
- Object X, Y, Z
- One of the emitter object axes.
- Random
- Randomizes rotation.
- Phase
- Initial rotation phase.
- Randomize Phase
- Adds a random variation to the Phase.
- Dynamic
- If Dynamic is enabled, only initializes particles to the choosen rotation and angular velocity and let the physics simulation handle the rest. Particles then change their angular velocity if they collide with other objects (like in the real world due to friction between the colliding surfaces). Otherwise the angular velocity is predetermined at all times (i.e. set rotation to dynamic/constant).
Angular Velocity¶
Reference
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- Axis
The selector specifies the axis of angular velocity to be.
- None
- A zero vector (no rotation).
- Spin
- The particles velocity vector.
- Random
- A random vector.
Consejo
Curve Guide
If you use a Curve Guide and want the particles to follow the curve, you have to set Angular Velocity to Spin and leave the rotation on Constant (i.e. do not turn on Dynamic). Curve Follow does not work for particles.
- Amount
- The magnitude of angular velocity.