|Creating a Fireworks Display Using Digital Fusion's Particle System |
20. Rename particle emitter 1 to "pEm Mortar" (Use the F2 key as a shortcut.)
21. Rename particle spawn 1 to "pSp Mortar Smoke"
22. Rename particle direction force 1 to "pDF Gravity"
Next we'll add the flashy part of the particle system, the BOOM. We'll add
another particle spawn to the flow, and set it up so it only spawns particles
at the death of each of the mortars. This will slow things down significantly
until we make a few changes. It might be a good idea to stop interactive
23. Add a second pSpawn between the pSp Mortar Smoke and the pDF Gravity
24. Rename the second pSpawn, to "pSp BOOM"
25. In the controls tab, enter the following settings;
Random seed (pick a nice number of your choice)
Number = 300
Lifespan = 35
Lifespan Variance = 5
Velocity Transfer = 0
Velocity = 0.1
Velocity Variance = 0.025
Angle Variance = 360
Angle Z Variance = 360
Rotation mode = Rotation relative to motion
26. Check set 5 under the sets tab.
27. Under the conditions tab
Start age = 0.999
Set mode = Affect specified sets
Uncheck 2,3,4,5,6,7,8 (we want set 1)
To get the gravity to also affect the boom clusters;
28. Under the pDF Gravity tool conditions check set 5
Playing this back reveals that we now have the second spawn tool exploding
particles just before the death of each mortar. They still don't look right
though. There's no color yet, and no air friction. Let's add a particle
tool, friction, to simulate this.
29. Add a particle friction [pFr] between the pSp BOOM and the pDF Gravity.
30. Rename it to "pFr Air"
Source: eyeon Software
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