From 187936bea6350fecae82ec2677d7ac49cda583c0 Mon Sep 17 00:00:00 2001
From: Warwick <warwick.l.e.new@gmail.com>
Date: Mon, 18 Jul 2022 14:36:08 +0100
Subject: [PATCH] Added time variable to shader to see difference in different
 values

---
 data/shaders/pbrFragment.glsl | 6 ++++++
 src/main.cpp                  | 3 ++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/data/shaders/pbrFragment.glsl b/data/shaders/pbrFragment.glsl
index 3b88f43..e197162 100644
--- a/data/shaders/pbrFragment.glsl
+++ b/data/shaders/pbrFragment.glsl
@@ -8,10 +8,16 @@ in vec3 FragPos;
 // TODO: make temporary hard coded world/camera pos dynamic
 uniform vec3 WorldPos ;
 uniform vec3 CameraPos;
+uniform int tick;
 //vec3 WorldPos = vec3(0.0f, 0.0f, 0.0f);
 //vec3 CameraPos = vec3(0.0f, 0.0f, -1.0f);
 //TODO: make these values rely on associated textures.
 vec3 albedo = vec3(0.8f, 0.8f, 0.8f);
+
+//float metallic = sin(tick / 60 * 0.3f);
+//float roughness = sin(tick / 60 * 0.3f);
+//float ao = sin(tick / 60 * 0.8f);
+
 float metallic = 0.3f;
 float roughness = 0.3f;
 float ao = 0.8f;
diff --git a/src/main.cpp b/src/main.cpp
index 008671d..9b9ae9f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -115,9 +115,10 @@ int main(int argc, char **argv) {
     // Make every shader/rendering call from this point on use our shader
     // glUseProgram(shaderProgram);
 
-    // Send our glsl shader our mvp
+    // Send our glsl shader our camera information
     shader.setMat4("MVP", camera.getMVP());
     shader.setVec3("CameraPos", camera.getCameraPosition());
+    shader.setInt("tick", SDL_GetTicks());
 
     // Draw Meshes
     cube.draw(shader);