public void OnUpdate(TimeStep ts)
{
cameraController.OnUpdate(ts);
//Render
RenderingAPI.SetClearColor(0.2f, 0.2f, 0.2f);
RenderingAPI.Clear();
Renderer.BeginScene(cameraController.GetCamera());
{
//Square
for (int y = 0; y < 10; y++)
{
for (int x = 0; x < 10; x++)
{
Vector3 pos = new Vector3(x * 1.1f, y * 1.1f, 0);
Matrix4x4 transform = Matrix4x4.CreateTranslation(pos) * Scale;
Renderer.Submit(shaderLibrary.GetShader("Square"), squareVertexArray, transform);
}
}
birdiTexture.Bind();
Renderer.Submit(shaderLibrary.GetShader("Texture"), squareVertexArray, Matrix4x4.Identity);
faceTexture.Bind();
Renderer.Submit(shaderLibrary.GetShader("Texture"), squareVertexArray, Matrix4x4.Identity);
}
Renderer.EndScene();
}
/// <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>
/// 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);
}