From 06f5d24cf261602e40b7cfb424ede43dc2efe2d6 Mon Sep 17 00:00:00 2001
From: Tobias Frisch <tfrisch@uni-koblenz.de>
Date: Sat, 29 Jan 2022 20:44:16 +0100
Subject: [PATCH] Avoid division by zero
Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>
---
.../wobble_bobble/shaders/transform_particles_to_grid.comp | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/projects/wobble_bobble/shaders/transform_particles_to_grid.comp b/projects/wobble_bobble/shaders/transform_particles_to_grid.comp
index ce8ee02b..95849eee 100644
--- a/projects/wobble_bobble/shaders/transform_particles_to_grid.comp
+++ b/projects/wobble_bobble/shaders/transform_particles_to_grid.comp
@@ -64,10 +64,11 @@ void main() {
memoryBarrierShared();
for (uint i = 0; i < SHARED_PARTICLES_BATCH_SIZE; i++) {
- float x = distance(shared_particles[i].position, position) / shared_particles[i].size;
+ float s = shared_particles[i].size;
+ float x = distance(shared_particles[i].position, position);
- if (x < 2.0f) {
- gridValue += vec4(shared_particles[i].velocity, shared_particles[i].mass) * weight_C(x);
+ if (x < 2.0f * s) {
+ gridValue += vec4(shared_particles[i].velocity, shared_particles[i].mass) * weight_C(x / s);
}
}
}
--
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