SimplePlane.js

#pragma strict

var size: float;

function Awake() {
    var m: Mesh = CreateBoxMesh(size);

    var obj: GameObject = CreateGameObject();
    // Attach Mesh `m' to the GameObject `obj'.
    obj.GetComponent(MeshFilter).mesh = m;

    var texture: Texture2D = CreateTexture2D(size);
    // Attach Texture2D `texture' to the GameObject `obj'.
    obj.renderer.material.mainTexture = texture;

    obj.renderer.material.color = RandomRGBColor();

    // Set Shader to use the Default Sprite shader.
    var spriteShader: Shader = Shader.Find("Sprites/Default");
    obj.renderer.material.shader = spriteShader;
}

function CreateBoxMesh(size: float): Mesh {
    // Creates a square planar Mesh `m' of dimensions `size'.  The
    // mesh is composed of two triangles.
    var m: Mesh = new Mesh();
    m.name = "Scripted_Plane_New_Mesh";
    m.vertices = [Vector3(-size, -size, 0.01),
                  Vector3(size, -size, 0.01),
                  Vector3(size, size, 0.01),
                  Vector3(-size, size, 0.01)];
    m.uv = [Vector2(0, 0),
            Vector2(0, 1),
            Vector2(1, 1),
            Vector2(1, 0)];
    m.triangles = [0, 1, 2,
                   0, 2, 3];
    return m;
}

function CreateGameObject(): GameObject {
    // Create a GameObject `obj'.
    var obj: GameObject = new GameObject("New_Plane_From_Script",
                                         MeshRenderer,
                                         MeshFilter,
                                         MeshCollider);
    return obj;

}

function CreateTexture2D(size: float): Texture2D {
    // Create a Texture2D `texture'.
    var texture: Texture2D;
    texture = new Texture2D(size, size, TextureFormat.ARGB4444, false);
    return texture;
}

function RandomRGBColor(): Color {
    // Create a Random RGB Color `color'.
    var red: float = Random.Range(63, 255) / 255f;
    var green: float = Random.Range(63, 255) / 255f;
    var blue: float = Random.Range(63, 255) / 255f;
    var color = Color(red, green, blue);
    return color;
}