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

using LearnOpenTK.Common;
using OpenTK.Mathematics;

namespace TheLabs.Shapes;

public class Bus
{
    private Mesh _wheelMesh;
    private RenderObject _wheelObject;
    
    private Texture _wheelTexture;
    private Shader _wheelShader;
    private Texture _bodyTexture;

    public Bus(Texture texture, Shader shader)
    {
        _wheelTexture = new Texture("Textures/rubber.jpg");
        _wheelShader = shader;
        
        _bodyTexture = new Texture("Textures/rust.png");
    }
    
    public void DrawWheel(Matrix4 view, Matrix4 projection, Vector3 position)
    {
        Matrix4 localTransform = Matrix4.Identity;
        //Matrix4 comboTransform = localTransform * _wheelObject.Transform;

        _wheelMesh = ShapeFactory.CreateTexturedCylinder();
        _wheelObject = new RenderObject(_wheelMesh, _wheelShader, _wheelTexture);
        
        // Front Left Wheel
        _wheelObject.Position = new Vector3(position);
        _wheelObject.Scale = new Vector3(0.3f, 0.1f, 0.2f);
        _wheelObject.Rotation = Quaternion.FromAxisAngle(Vector3.UnitX, MathHelper.DegreesToRadians(90.0f));
        
        _wheelObject.Draw(view, projection);
        
    }
    
    public void drawBody(Matrix4 view, Matrix4 projection)
    {
        Mesh bodyMesh = ShapeFactory.CreateTexturedCube();
        RenderObject bodyObject = new RenderObject(bodyMesh, _wheelShader, _bodyTexture);
        
        bodyObject.Position = new Vector3(0.0f, 0.0f, 0.0f);
        bodyObject.Scale = new Vector3(1.5f, 0.5f, 0.5f);
        
        bodyObject.Draw(view, projection);
    }

    private void drawRoof(Matrix4 view, Matrix4 projection)
    {
        Mesh roofMesh = ShapeFactory.CreateTexturedCylinder();
        RenderObject roofObject = new RenderObject(roofMesh, _wheelShader, _bodyTexture);
        
        roofObject.Position = new Vector3(0.0f, 0.25f, 0.0f);
        roofObject.Scale = new Vector3(0.5f, 1.5f, .25f);
        
        roofObject.Rotation = Quaternion.FromAxisAngle(Vector3.UnitY, MathHelper.DegreesToRadians(90.0f));
        roofObject.Rotation *= Quaternion.FromAxisAngle(Vector3.UnitX, MathHelper.DegreesToRadians(90.0f));
        

        
        roofObject.Draw(view, projection);
    }

    public void DrawBus(Matrix4 view, Matrix4 projection)
    {
        // Drawing 4 wheels
        float xOffset = 0.4f; // Reduced to bring wheels closer to the body
        float zOffset = 0.28f; // Reduced to bring front and back wheels closer
        float yOffset = -0.3f; // Adjusted to ensure wheels touch the body
        
        // Drawing 4 wheels
        for (int i = 0; i < 4; i++)
        {
            float xPosition = (i % 2 == 0) ? -xOffset : xOffset; // Left or Right
            float zPosition = (i < 2) ? zOffset : -zOffset;      // Front or Back

            DrawWheel(view, projection, new Vector3(xPosition, yOffset, zPosition));
        }
        
        // Drawing the body
        drawBody(view, projection);
        // Drawing the roof
        drawRoof(view, projection);
    }
    

}