From 74ccc647f443f4abaf9d4c21c3d057340eda383c Mon Sep 17 00:00:00 2001
From: Cat Flynn <me@ktyl.dev>
Date: Thu, 3 Aug 2023 01:01:02 +0200
Subject: [PATCH] chore: simplify time usage

---
 frag.glsl         |  4 +---
 src/hello.cpp     | 13 ++-----------
 src/icosphere.cpp |  2 +-
 src/icosphere.hpp |  2 +-
 4 files changed, 5 insertions(+), 16 deletions(-)

diff --git a/frag.glsl b/frag.glsl
index 60b5caa..95275bd 100644
--- a/frag.glsl
+++ b/frag.glsl
@@ -2,9 +2,7 @@
 
 out vec4 FragColor;
 
-uniform float _Time;
-
 void main()
 {
-    FragColor = vec4(1.0, 0.5, 0.2, 1.0) * sin(_Time) / 2.0 + 0.5;
+    FragColor = vec4(1.0, 0.5, 0.2, 1.0);
 }
diff --git a/src/hello.cpp b/src/hello.cpp
index 9cb92fe..c96d880 100644
--- a/src/hello.cpp
+++ b/src/hello.cpp
@@ -111,13 +111,6 @@ void updateModelViewProjectionMatrix(GLuint shaderProgram, float time)
     glUniformMatrix4fv(mvpLocation, 1, GL_FALSE, &mvp[0][0]);
 }
 
-void updateTime(GLuint shaderProgram, float time)
-{
-	GLint timeLocation = getShaderUniformLocation(shaderProgram, "_Time");
-	float timeValue = time;
-	glUniform1f(timeLocation, timeValue);
-}
-
 int main()
 {
     // Calculate period of ISS orbit around the Earth
@@ -150,12 +143,10 @@ int main()
         glUseProgram(shaderProgram);
 
         // Update uniforms
-        float time = glfwGetTime();
-        updateTime(shaderProgram, time);
-        updateModelViewProjectionMatrix(shaderProgram, time);
+        updateModelViewProjectionMatrix(shaderProgram, glfwGetTime());
 
         // Render objects
-        sphere.render(time);
+        sphere.render();
 
         glfwSwapBuffers(window);
         glfwPollEvents();
diff --git a/src/icosphere.cpp b/src/icosphere.cpp
index 9611be5..7eefb43 100644
--- a/src/icosphere.cpp
+++ b/src/icosphere.cpp
@@ -36,7 +36,7 @@ Icosphere::Icosphere(int subdivisions)
 	glBindVertexArray(0);
 }
 
-void Icosphere::render(float time)
+void Icosphere::render()
 {
 	glBindVertexArray(_vao);
 	glBindBuffer(GL_ARRAY_BUFFER, _vbo);
diff --git a/src/icosphere.hpp b/src/icosphere.hpp
index c53c756..c71aaa0 100644
--- a/src/icosphere.hpp
+++ b/src/icosphere.hpp
@@ -10,7 +10,7 @@ class Icosphere
 {
 public:
 	Icosphere(int subdividision);
-	void render(float time);
+	void render();
 
 	~Icosphere();