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How to set the blend color of a particle?

by Gellyware · in Torque Game Builder · 03/23/2008 (3:35 pm) · 6 replies

How do you set the blend color of a particle? setblendcolor doesn't seem to do anything.

%particle = new t2dParticleEffect() 
   {
      scenegraph = sceneWindow2D.getSceneGraph();
      
      effectFile = "~/data/particles/sparkleExplosion.eff";
      useEffectCollisions = "0";
      effectMode = "KILL";
      effectTime = "0.5";
      Position = %this.getPosition();
      size = "128.000 128.000";
      Layer = "8";
      CollisionPhysicsSend = "0";
      CollisionPhysicsReceive = "0";
   };
   
   %blendColor = %this.sprite.getBlendColor();
    
   %particle.setBlendColor( %blendColor );   

   %particle.playEffect();
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Torque Owner Kevin James
#1
03/23/2008 (3:51 pm)
Particle effects don't have the same blending options as sprites, tilemaps, etc. You need to change an emitter's Red, Green, and Blue data graphs to change the color. This can be done in scripts. Look up particle effects in the 1.1.3 docs -- there's a pretty extensive doc on emitter management.

Torque Owner Gellyware
#2
03/23/2008 (3:52 pm)
Will do, thanks Kevin.

Associate Anthony Rosenbaum
#3
09/07/2009 (2:05 pm)
There is nothing worse than reading a forum post which tells you to read somethnig else without providing any code for future referance. I am posting an example as to help others and myself in the future have someplace to get an example

%color = %obj.getBlendColor();

   if (isObject(squareSelectGood))
   {  

      %explosion = squareSelectGood.clone();
      %emitter = %explosion.findEmitterObject( "NewEmitterName" );

      %emitter.selectGraph( "red_life" );
      %emitter.clearDataKeys();
      // Add our keys.
      %emitter.addDataKey( 1.0, getWord(%color, 0) ); 
 
      %emitter.selectGraph( "green_life" );
      %emitter.clearDataKeys();
      // Add our keys.
      %emitter.addDataKey( 1.0, getWord(%color, 1) );           
          
      %emitter.selectGraph( "blue_life" );
      %emitter.clearDataKeys();
      // Add our keys.
      %emitter.addDataKey( 1.0, getWord(%color, 2) );

      %explosion.position = %position;
      %explosion.setEffectLifeMode("Kill", 1.0);
      %explosion.playEffect();
      %explosion.schedule(1100, safedelete);
   }

Torque Owner John Casamassina
Johnny Casamassina
#4
09/07/2009 (4:04 pm)
No need to schedule a safe delete, KILL will delete the effect when finished. Another way to delete an object after a specified time is using setLifetime rather than scheduling a safeDelete.

Torque Owner Johnny Vo
#5
06/19/2010 (12:38 pm)
@Anthony - Thanks. This post saved me a lot of time.

Paul Zhou
#6
03/23/2012 (9:11 am)
Great post!