/// <summary>
/// Submit something to be drawn
/// </summary>
/// <param name="shader"></param>
/// <param name="vertexArray"></param>
/// <param name="transform"></param>
public static void Submit(IShader shader, IVertexArray vertexArray, Matrix4x4 transform)
{
shader.Bind();
shader.SetMat4("u_ViewProjection", sceneData.ViewProjectionMatrix);
shader.SetMat4("u_Transform", transform);
vertexArray.Bind();
RenderingAPI.DrawIndexed(vertexArray);
}
/// <summary>
/// Draws a quad using a texture
/// </summary>
/// <param name="transform"></param>
/// <param name="texture"></param>
/// <param name="tintColor"></param>
/// <param name="tillingFactor"></param>
public static void DrawQuad(Transform transform, I2DTexture texture, Vector4 tintColor, float tillingFactor = 1.0f)
{
rendererData.TextureShader.SetVec4("u_Color", tintColor);
rendererData.TextureShader.SetFloat("u_TilingFactor", tillingFactor);
texture.Bind();
Matrix4x4 shaderTransform = Matrix4x4.CreateTranslation(transform.Position) * Matrix4x4.CreateScale(transform.Scale.X, transform.Scale.Y, 1.0f);
rendererData.TextureShader.SetMat4("u_Transform", shaderTransform);
rendererData.QuadVertexArray.Bind();
RenderingAPI.DrawIndexed(rendererData.QuadVertexArray);
}
/// <summary>
/// Initializes the rendering system
/// </summary>
/// <exception cref="InitializationException"></exception>
internal static void Init()
{
ProfilerTimer.Profile(() =>
{
if (initialized)
{
throw new InitializationException("The rendering system is already initialized!");
}
RenderingAPI.Init();
Renderer2D.Init();
initialized = true;
});
}
/// <summary>
/// Draws a quad rotated
/// </summary>
/// <param name="transform"></param>
/// <param name="tintColor"></param>
/// <param name="texture"></param>
/// <param name="tillingFactor"></param>
public static void DrawRotatedQuad(Transform transform, Vector4 tintColor, I2DTexture texture, float tillingFactor = 1.0f)
{
//If the rotation is only 0, we will call the regular draw quad, to save performance on the rotation calculations
if (transform.Rotation == 0.0f)
{
DrawQuad(transform, texture, tintColor, tillingFactor);
return;
}
rendererData.TextureShader.SetVec4("u_Color", tintColor);
rendererData.TextureShader.SetFloat("u_TilingFactor", tillingFactor);
texture.Bind();
Matrix4x4 shaderTransform = Matrix4x4.CreateTranslation(transform.Position)
* Matrix4x4.CreateRotationZ(transform.Rotation.ToRadian())
* Matrix4x4.CreateScale(transform.Scale.X, transform.Scale.Y, 1.0f);
rendererData.TextureShader.SetMat4("u_Transform", shaderTransform);
rendererData.QuadVertexArray.Bind();
RenderingAPI.DrawIndexed(rendererData.QuadVertexArray);
}
