Fixes to CPU particles for performance and avoiding NaNs.

1 files changed, 1 insertions, 1 deletions

diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index 6f67ba8af1..ba48982fda 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -308,7 +308,7 @@ void ParticlesMaterial::_update_shader() {
 		code += "		float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n";
 		code += "		vec3 direction_xz = vec3(sin(angle1_rad), 0, cos(angle1_rad));\n";
 		code += "		vec3 direction_yz = vec3(0, sin(angle2_rad), cos(angle2_rad));\n";
-		code += "		direction_yz.z = direction_yz.z / sqrt(direction_yz.z); // better uniform distribution\n";
+		code += "		direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n";
 		code += "		vec3 direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n";
 		code += "		direction = normalize(direction);\n";
 		code += "		VELOCITY = direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n";