Adding a Propeller Effect

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In marine scenarios, you can add a propeller backwash effect.

To add a propeller effect:

1. Select Marine in the Toolbox.

2. Click Propeller Effect and drag it into the 3D View.

In the Properties panel, configure the following fields:

• Visible: Select this box to have the propeller effect appear.

• Parent Velocity: Sets the velocity of the parent vessel (in m/s). This is combined to the particles' properties.

• Speed: Specifies at which speed the effect moves.

• Width: Specifies how wide the propeller effect is.

• Lifetime: The duration of the propeller particles (in seconds).

• Emission Rate: The rate at which particles are emitted. At lower speeds, fewer particles would be required for a good visual effect.

• Intensity: Specifies how full the effect appears.

• Spread Angle: The spray of the particles can be represented as a cone shape, and this field specifies the angle of that cone (in degrees).

• Particle Radius: The radius of the emitted particles (in meters).

• Texture: Specifies the texture to apply to the particles. Click the browse button and select a texture from the Explorer panel.

• Particle Limit: Maximum number of particles to emit. Increasing this value may affect performance.

• Grow Speed: Specifies the speed at which particles grow (in m/s).

• Max Angular Velocity: Maximal range of the initial angular velocity of the particles. Higher values make the stream of particles appear less gentle (in degrees/second).

• Linear Damping: Linear velocity damping of particles over time.

• Angular Damping: Angular velocity damping of particles over time.