Added Primitives class

Prowl.Runtime/Primitives.cs

@@ -0,0 +1,129 @@
+using System;
+using System.Runtime.CompilerServices;
+using Prowl.Runtime.Resources;
+using Prowl.Vector;
+
+namespace Prowl.Runtime;
+
+public static class Primitives
+{
+    private static Material _standardMaterial;
+    private static Mesh _cubeMesh;
+    private static Mesh _cylinderMesh;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject Cube(string name)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return Cube(name, Double3.Zero, Double3.One, _standardMaterial, _cubeMesh);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject Cube(Double3 position)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return Cube(position.ToString(), position, Double3.One, _standardMaterial, _cubeMesh);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject Cube(string name, Double3 position)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return Cube(name, position, Double3.One, _standardMaterial, _cubeMesh);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject Cube(string name, Double3 position, Double3 scale)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return Cube(name, position, scale, _standardMaterial, _cubeMesh);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject Cube(string name, Double3 position, Double3 scale, Material material)
+    {
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return Cube(name, scale, position, material, _cubeMesh);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject Cube(string name, Double3 position, Double3 scale, Material material, Mesh mesh)
+    {
+        // game object
+        var go = new GameObject(name);
+        go.Transform.position = position;
+        go.Transform.localScale = scale;
+
+        // visuals
+        var ren = go.AddComponent<MeshRenderer>();
+        ren.Mesh = mesh;
+        ren.Material = material;
+
+        return go;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject PhysicsCube(string name, bool isStatic = false)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return PhysicsCube(name, Double3.Zero, Double3.One, _standardMaterial, _cubeMesh, isStatic);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject PhysicsCube(Double3 position, bool isStatic = false)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return PhysicsCube(position.ToString(), position, Double3.One, _standardMaterial, _cubeMesh, isStatic);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject PhysicsCube(string name, Double3 position, bool isStatic = false)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return PhysicsCube(name, position, Double3.One, _standardMaterial, _cubeMesh, isStatic);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject PhysicsCube(string name, Double3 position, Double3 size, bool isStatic = false)
+    {
+        _standardMaterial ??= new Material(Shader.LoadDefault(DefaultShader.Standard));
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return PhysicsCube(name, position, size, _standardMaterial, _cubeMesh, isStatic);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject PhysicsCube(string name, Double3 position, Double3 size, Material material, bool isStatic = false)
+    {
+        _cubeMesh ??= Mesh.CreateCube(Double3.One);
+        return PhysicsCube(name, position, size, material, _cubeMesh, isStatic);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static GameObject PhysicsCube(string name, Double3 position, Double3 size, Material material, Mesh mesh, bool isStatic = false)
+    {
+        // game object
+        var go = new GameObject(name);
+        go.Transform.position = position;
+        go.Transform.localScale = size;
+
+        // visuals
+        var ren = go.AddComponent<MeshRenderer>();
+        ren.Mesh = mesh;
+        ren.Material = material;
+
+        // physics
+        var rb = go.AddComponent<Rigidbody3D>();
+        rb.IsStatic = isStatic;
+        var col = go.AddComponent<BoxCollider>();
+        // col.Size = size; // <- boxCollider is scaled with gameobject, no need to scale it here
+
+        return go;
+    }
+}