opengl-learning/src/vertex.glsl

// Set the GLSL version to 3.3 and use the OpenGL core profile
#version 330 core
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aColor;
layout (location = 2) in vec2 aTexCoord;

out vec3 ourColor;
out vec2 TexCoord;

uniform mat4 transform;

void main() {
	gl_Position = transform * vec4(aPos, 1.0);
	ourColor = aColor;
	TexCoord = aTexCoord;
}