CGTalk - Hardware Render ignores the ScaleXPP Expressions

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GeoffClark

07-07-2008, 04:47 PM

Hello,
I"m making a chemical bubble, with inner bubble sprites.
The outer mesh is a poly sphere. Inside it are two Sprite Particle objects made with the Particle tool. (no emitter, they are static). One is bigger bubbles, one is smaller bubbles.
I have Creation Expressions on the two particles, Using the SpriteScaleXPP and SpriteScaleYPP. The object

my Creation Expressions are:
InnerParticlesShape.spriteScaleYPP = rand (1,5);

InnerParticlesShape.spriteScaleXPP = InnerParticlesShape.spriteScaleYPP;

If you look at the attached image, the viewport looks awesome (left), but the Hardware render (right) ignores all the scaling.
Am I doing something wrong?
Thanks,
Geoff

natsheh

07-09-2008, 08:46 AM

hi GeoffClark .. .There's nothing wrong with the expression. Strangely the smaller system seems to be scaled and rendered fine. another expression is written for the other (faulty) particle shape, right? nevertheless, that doesn't explain such difference . ... you may wanna cache your systems.

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