Add clamp min and max colormap shader, solve #7

GregoireHENRY · Apr 20, 2024 · 0969a49 · 0969a49
1 parent 3a74e6b
commit 0969a49
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Showing 3 changed files with 10 additions and 3 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "kalast"
-version = "0.5.5"
+version = "0.5.6"
 authors = ["Grégoire Henry <[email protected]>"]
 edition = "2021"
 description = "Thermophysical Model for Binary Asteroids"

diff --git a/shaders/body.fs b/shaders/body.fs
@@ -97,7 +97,14 @@ vec3 colormap(int code, float t) {
 }
 
 float normalize_value(float value, vec2 bounds) {
-    return (value - bounds.x) / (bounds.y - bounds.x);
+    float v = (value - bounds.x) / (bounds.y - bounds.x);
+    if (v < bounds.x) {
+        v = bounds.x
+    }
+    else if (v > bounds.y) {
+        v = bounds.y
+    }
+    return v
 }
 
 float calculate_shadow(float cos_incidence) {