fixing zoom padding

2024-06-24 17:15:20 +02:00
parent 44a2d5aab3
commit 017d021824
2 changed files with 6 additions and 8 deletions
--- a/vshader.glsl
+++ b/vshader.glsl
@@ -6,16 +6,13 @@ layout (location = 0) in vec2 aPos;
 layout (location = 1) in vec2 texPos;

 uniform vec2 camPos;
-uniform int zoom;
+uniform float zoom;

 float invLerp( float a, float b, float v ){
 	return (v - a) / (b - a);
 }

 void main(){
-	gl_Position = vec4(
-					(aPos + vec2(camPos.x, -camPos.y) * 2) * (invLerp(-10, 10, zoom) * 2),
- 					0.0,
-					1.0) ;
+	gl_Position = vec4(zoom * (aPos + vec2(camPos.x, -camPos.y) * 2 / zoom), 0.0, 1.0);
 	TexPos = texPos;
 }