The ParticleMotionGravity object moves particles towards a point. 更多...
| Since: | Qt 4.7 |
This motion attracts the particles to the specified point with the specified acceleration. To mimic earth gravity, set yattractor to -6360000 and acceleration to 9.8.
The defaults are all 0, not earth gravity, and so no motion will occur without setting at least the acceleration property.
另请参阅 粒子 .
This property holds the acceleration to apply to the particles.
These properties hold the x and y coordinates of the point attracting the particles.
These properties hold the x and y coordinates of the point attracting the particles.
