List of particle system settings changes from default for easy reference. Settings are for dry erase board stamps used in Half-Life: Alyx.

Dry erase particle system settings.md

Paticle system settings

Example settings for a Source 2 particle system to be used with the dry erase boards in Half-Life: Alyx. The list are all the changes away from the default values.

Base Properties

• max particles = 1
• time to sleep when not drawn = 0.1

Emitter

• Instantaneous Emitter
  • num to emit = 1

Initializer

• Position Within Sphere Random
• Normal align to CP
• Radius Random
  • radius min = 12 // Determines the size, so customise these values. The two values should stay equal.
  • radius max = 12 // Determines the size, so customise these values. The two values should stay equal.
• Rotation Random
  • yaw offset min = 90
  • yaw offset max = 90
  • randomly flip direction = off

Operator

• Remap control point to scalar
  • input control point number = 1
  • input minimum = 1
  • input maximum = 50
  • output minimum = 1
  • output maximum = 50
  • set value method = "Scale Initial Value"

Renderer

• Sprite Renderer
  • orientation type = "Particle Normal Align"
  • self illum amount = 1 // Try playing with this value.
  • texture = "materials/particle/dry_erase/stamps/example.vtex" // Change this to your image texture.