From 59828b4a86e65b98f1d1aff5a64435ba0ab69723 Mon Sep 17 00:00:00 2001
From: TheJackiMonster <thejackimonster@gmail.com>
Date: Fri, 22 Jul 2022 10:47:37 +0200
Subject: [PATCH] Fixed spinning trails artifacts
Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>
---
projects/fire_works/shaders/trail.geom | 22 ++--------------------
1 file changed, 2 insertions(+), 20 deletions(-)
diff --git a/projects/fire_works/shaders/trail.geom b/projects/fire_works/shaders/trail.geom
index 47a5a2cb..02794347 100644
--- a/projects/fire_works/shaders/trail.geom
+++ b/projects/fire_works/shaders/trail.geom
@@ -54,22 +54,6 @@ void main() {
return;
}
- vec3 positions [2];
- uint viewIndex = instanceIndex;
-
- if (viewIndex > startIndex) {
- viewIndex--;
- }
-
- for (uint i = 0; i < 2; i++) {
- const uint index = (viewIndex + i) % points.length();
-
- positions[i] = points[index].position;
- }
-
- vec3 pos = positions[0];
- vec3 dir = normalize(cross(positions[1] - pos, pos - camera));
-
const float trailFactor = mediumDensity / friction;
for (uint i = 0; i < count; i++) {
@@ -79,11 +63,9 @@ void main() {
const vec3 position = points[index].position;
const float size = points[index].size;
+ const vec3 velocity = points[index].velocity;
- if (i > 0) {
- dir = normalize(cross(position - pos, pos - camera));
- pos = position;
- }
+ const vec3 dir = normalize(cross(abs(velocity), position - camera));
vec3 offset = dir * size;
float density = trailFactor * (1.0f - u * u) / size;
--
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