GPU Pro 7

216 V 3D Engine Design

Figure 1.9. The graph tool in the game editor.

from the sphere’s center. The push amount goes from 0 to the maximum

then back to 0 when restoration is done.

3. Deformation to bullets: The framework sends bullet information to the GPU

simulation update shader, which evaluates if a particle falls close to a bullet

and pushes that particle away from the bullet until the bullet passes by a

certain amount. The final effect is as if the particles forming the enemy

boss are being disturbed by the player’s bullets but regain formation when

the bullets pass by.

1.7.5 Rendering

The final output of the entire system is a texture holding each