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

using LearnOpenTK.Common;
using OpenTK.Mathematics;

namespace TheLabs.Shapes;

public class Bus
{
    public SceneNode MainNode;
    
    private Mesh _wheelMesh;
    private Mesh _bodyMesh;
    private Mesh _roofMesh;
    

    public Bus(Texture wheelTexture,Texture bodyTexture, Shader shader)
    {
        _wheelMesh = ShapeFactory.CreateTexturedCylinder();
        _bodyMesh = ShapeFactory.CreateTexturedCube();
        _roofMesh = ShapeFactory.CreateTexturedCylinder();
        
        MainNode = new SceneNode();
        
        // Building the body
        var bodyObj = new RenderObject(_bodyMesh, shader, bodyTexture);
        var bodyNode = new SceneNode(bodyObj);
        bodyNode.Scale = new Vector3(1.5f, 0.5f, 0.5f);
        bodyNode.Scale = new Vector3(0.0f, 0.0f, 0.0f);
        MainNode.AddChild(bodyNode);
        
        // Building the body
        var roofObj = new RenderObject(_roofMesh, shader, bodyTexture);
        var roofNode = new SceneNode(roofObj);
        roofNode.Position = new Vector3(0.0f, 0.25f, 0.0f);
        roofNode.Scale = new Vector3(0.5f, 1.5f, .25f);
        roofNode.Rotation = Quaternion.FromAxisAngle(Vector3.UnitY, MathHelper.DegreesToRadians(90.0f));
        roofNode.Rotation *= Quaternion.FromAxisAngle(Vector3.UnitX, MathHelper.DegreesToRadians(90.0f));
        MainNode.AddChild(roofNode);
        
        // Building the 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

        Vector3[] wheelPositions =
        {
            new Vector3(-xOffset, yOffset, zOffset), // Front Left
            new Vector3(xOffset, yOffset, zOffset), // Front Right
            new Vector3(-xOffset, yOffset, -zOffset), // Back Left
            new Vector3(xOffset, yOffset, -zOffset) // Back Right
        };
        
        foreach (var pos in wheelPositions)
        {
            //var wheelObj = new RenderObject(_wheelMesh, shader, wheelTexture);
            var wheelNode = new SceneNode(wheelObj);
            
            wheelNode.Position = pos; // Relative to the MainNode!
            wheelNode.Scale = new Vector3(0.3f, 0.1f, 0.2f);
            // Rotate cylinder to act like a wheel
            wheelNode.Rotation = Quaternion.FromAxisAngle(Vector3.UnitX, MathHelper.DegreesToRadians(90.0f));
            
            MainNode.AddChild(wheelNode);
        }

    }
    
    
    public void Draw(Matrix4 view, Matrix4 projection)
    {
        //MainNode.Draw(view, projection, Matrix4.Identity);
    }
    

}