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mestela

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mestela last won the day on May 13

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About mestela

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    Houdini Master

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    matt
  1. Sound Driven Deformations

    This might help: http://www.tokeru.com/cgwiki/index.php?title=HoudiniChops#Dynamics_driven_by_chops
  2. VEX quaternion to vectors

    ...and to finish that thought, now that you have a matrix, you can then take a vector that points along z, and multiply it by the matrix to give you your @N, and a vector that points along x to give you your @up. Example here: http://www.tokeru.com/cgwiki/?title=HoudiniVex#optransform_to_do_a_motion_control_style_camera
  3. Sine waves color

    http://www.tokeru.com/cgwiki/index.php?title=JoyOfVex13#Exercises but more generally http://www.tokeru.com/cgwiki/index.php?title=JoyOfVex In your case you could do something like float sin = fit(sin(d - @Time*4), -1, 1, 0, 1); vector col_hi = chv('col_high'); vector col_lo = chv('col_lo'); @Cd = lerp(col_lo, col_hi, sin);
  4. a sharing system in Houdini??

    wot tim said. sharing_emit_points.hipnc
  5. Constraints mixing pops and bullet

    That's really cool!
  6. You deleted a wire in the setup:
  7. Help With Speeding Up Render

    That sounds like a nice repro to send to sidefx, good thing to poke Kai about.
  8. Read only expression on left side of assignment

    Works fine here, sounds like a stuck wrangle, happens sometimes. Try copying to a fresh wrangle.
  9. Ha, I'd carefully balanced the emitters and forces to keep it 2d. On the emitters, set the variance to have some random y and z, that'll push it into 3d. Same goes for pushing the axis force spheres along z, they'll start to push particles off the 2d plane.
  10. Scaling packed Objects with VEX

    I have an example here: http://www.tokeru.com/cgwiki/index.php?title=HoudiniDops#RBD_deintersect_via_scaling_up_geo
  11. Maybe this? Just a bunch of axis forces, point emitters, trails, and setting alpha so you get that multiplicative effect in areas of high density. trail_graph.hip
  12. Y ramp volume vop

    Might help:
  13. Unroll a planar curve

    Quite a few answers come up if you search for 'unroll' here. Several solutions in this thread: http://forums.odforce.net/topic/31600-spiral-unrolling-rolling-animation/?do=findComment&comment=174963
  14. Need help with loops and Foreach

    16 I think.
  15. Pop attract with grains

    set targetP, animate targetstiffness. grain_targetp_targetstiffness.hipnc
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