From 6eea69a7ad3eb92cf7feca2b06704a0b54ff12fe Mon Sep 17 00:00:00 2001 From: Bastien Montagne Date: Sun, 22 Sep 2019 18:29:05 +0200 Subject: Fix T70150: Explode modifier crashes with empty vertex group. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There’s be a lot to say about that explode modifier code, for now just follow other places in code... But the handling of 'invalid'/'unkown' particle case is... quiet confusing to say the least. --- source/blender/modifiers/intern/MOD_explode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'source') diff --git a/source/blender/modifiers/intern/MOD_explode.c b/source/blender/modifiers/intern/MOD_explode.c index ed42a4bf8b1..5ba61ea818b 100644 --- a/source/blender/modifiers/intern/MOD_explode.c +++ b/source/blender/modifiers/intern/MOD_explode.c @@ -1069,7 +1069,7 @@ static Mesh *explodeMesh(ExplodeModifierData *emd, /* override uv channel for particle age */ if (mtface) { - float age = (cfra - pa->time) / pa->lifetime; + float age = (facepa[i] != totpart) ? (cfra - pa->time) / pa->lifetime : 0.0f; /* Clamp to this range to avoid flipping to the other side of the coordinates. */ CLAMP(age, 0.001f, 0.999f); -- cgit v1.2.3