Hi Guys, so this has been a little fun FX RnD Project I did while waiting on another projects sims and renders. Inspired by the MPC "Kerry Low Low" Mouse TVC where MPC created a room of mouse traps in a chain reaction using there inhouse RBD Tool PAPI . I wanted to re create it with Thinking Particles in a near 100% Procedural Setup.
The system is fully procedural apart from the Mouse trap itself. Using ShapeCollison rather than Bullet here, The birth rate/birth objects of the traps is fully scaleable. The Activation is diffrent in two systems,firstly I used distance to activate the mouse traps from an animated helper this then passed a rule that lets the system calculate via a PPassAB the distance from the active traps to the non acitve and define the Chain Reaction Range to activate. The second system which is more of a replication of the MPC PAPI System is using an Activator to collide with the traps and then using velocity and collision rules to define the traps that get hit by another thus activating them. The traps jump in the air from inital velocity and then once that velocity reaches a certain threshold it stops spinning and gravity pulls it down. Theres also a BombForce in one of them! I also set up a version where the activators can be proxy objects rather than Particle spheres! So in production could add a Mouse proxy from animation in, define the traps area/birth and you'd be away !
Sim time for maybe 2 mins for 300 frames. There are a few self collisons so probs increase frame sampling. I rendred in V-Ray with some Subtle DOF via ZDepth.
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