551455-graphics-programming-2526-the-repo-Zyb3rWolfi/TheRepo/TheLabs/Lighting.cs

using LearnOpenTK.Common;
using OpenTK.Graphics.OpenGL;
using OpenTK.Mathematics;

namespace TheLabs;

public struct Lighting
{
    public Vector3 position;
    public Vector3 ambientColour;
    public Vector3 diffuseColour;
    public Vector3 specularColour;
    
    public float constant;
    public float linear;
    public float quadratic;
    
    public Lighting(Vector3 pos, Vector3 ambient, Vector3 diffuse, Vector3 specular)
    {
        position = pos;
        ambientColour = ambient;
        diffuseColour = diffuse;
        specularColour = specular;
        
        constant = 1.0f;
        linear = 0.09f;
        quadratic = 0.032f;
        
    }
    
    public void Apply(Shader shader)
    {
        GL.Uniform3(GL.GetUniformLocation(shader.Handle, "uPointLight.position"), ref position);
        GL.Uniform3(GL.GetUniformLocation(shader.Handle, "uPointLight.ambientColour"), ref ambientColour);
        GL.Uniform3(GL.GetUniformLocation(shader.Handle, "uPointLight.diffuseColour"), ref diffuseColour);
        GL.Uniform3(GL.GetUniformLocation(shader.Handle, "uPointLight.specularColour"), ref specularColour);
        
        GL.Uniform1(GL.GetUniformLocation(shader.Handle, "uPointLight.constant"), constant);
        GL.Uniform1(GL.GetUniformLocation(shader.Handle, "uPointLight.linear"), linear);
        GL.Uniform1(GL.GetUniformLocation(shader.Handle, "uPointLight.quadratic"), quadratic);
    
    }
}