Projector

Projectors display a material on the world, just like a slide projector in real life. Projectors are dynamic: if a player walk in front of one in the game, she will have the projection applied as well. This behaviour is toggled with bLevelStatic. Projections travel through meshes, BSP etc. Several properties give control over what type of surfaces the projection is applied to.

When selected in UnrealEd, they display a yellow bounding box around a cyan trapezoid:

• the width and breadth of this is given by Display→DrawScale
• the depth of this is given by MaxTraceDistance. This is how far the projection is applied.
• the angle of projection by FOV.
• the orientation of the Projector is given by Movement→Rotation, just rotate it like a brush or any other directional actor (see camera movement).

Properties

bool bClipBSP

bool bClipStaticMesh

bool bDynamicAttach

bool bGradient

Smooths the edges of the projection

bool bLevelStatic

The projection displays on everything that is present at the start of play, but nothing afterwards: players won't be affected. Useful for sticking graffiti on walls, for example.

bool bProjectActor

bool bProjectBSP

bool bProjectOnAlpha

bool bProjectOnBackfaces

bool bProjectOnParallelBSP

No longer used.

bool bProjectOnUnlit

bool bProjectParticles

bool bProjectStaticMesh

bool bProjectTerrain

int FOV

EProjectorBlending FrameBufferBlendingOp

The blending operation between the framebuffer and the result of the base material blend.

EProjectorBlending MaterialBlendingOp

The blending operation between the material being projected onto and ProjTexture.

int MaxTraceDistance

name ProjectTag

Material ProjTexture

the material to be projected.

Enums

enum EProjectorBlending

{

	PB_None,
	PB_Modulate,
	PB_AlphaBlend,
	PB_Add

};

Related Topics

•  ProjectorTricks - Projector Tricks (udntech)
•  ProjectiveTutorial - Projective Tutorial (udncontent)
• Weird Projector effects - Extra projector tricks hitherto unused by man