From 6be8878d2a40e4afac719cbf15c596bc5b3e929c Mon Sep 17 00:00:00 2001
From: Bryan Dela Cruz <bryanmdlx@gmail.com>
Date: Sat, 21 Dec 2019 17:05:18 +0800
Subject: [PATCH] Fixes #18. Updated wavy fragment shader

- Used vTexCoords instead of gl_FragCoord
---
 shader/wavy/main.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/shader/wavy/main.go b/shader/wavy/main.go
index 8925b69..2950b43 100644
--- a/shader/wavy/main.go
+++ b/shader/wavy/main.go
@@ -67,6 +67,7 @@ func main() {
 var fragmentShader = `
 #version 330 core
 
+in vec2 vTexCoords;
 out vec4 fragColor;
 
 uniform sampler2D uTexture;
@@ -77,7 +78,7 @@ uniform float uSpeed;
 uniform float uTime;
 
 void main() {
-    vec2 t = gl_FragCoord.xy / uTexBounds.zw;
+    vec2 t = vTexCoords / uTexBounds.zw;
 	vec3 influence = texture(uTexture, t).rgb;
 
     if (influence.r + influence.g + influence.b > 0.3) {