public override void OnRender(SSBBE.RenderSettings renderSettings, GameObjects.Cameras.Camera camera)
{
if (!m_visible)
{
return;
}
m_texture.Use();
m_shader.Use();
i_updateVertices(m_position, m_angleInRad, renderSettings, camera);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
GL.Enable(EnableCap.Blend);
GL.BindVertexArray(m_vertexArrayObjectHandle);
GL.BindBuffer(BufferTarget.ArrayBuffer, m_vertexBufferObjectHandle);
GL.BufferData(BufferTarget.ArrayBuffer, m_vertices.Length * sizeof(float), m_vertices, BufferUsageHint.DynamicDraw);
GL.DrawElements(BeginMode.Triangles, m_indices.Length, DrawElementsType.UnsignedInt, 0);
GL.Disable(EnableCap.Blend);
}
void i_updateVertices(Vector2 position, float angleInRad, SSBBE.RenderSettings renderSettings, GameObjects.Cameras.Camera camera)
{
Vector2 cameraPos = new Vector2();
if (camera != null)
{
cameraPos = camera.GetComponents().GetComponent <GameObjects.Components.ComponentTransform>().GetPosition();
}
var halfDim = m_dimensions * 0.5f;
var cosAngle = (float)Math.Cos(angleInRad);
var sinAngle = (float)Math.Sin(angleInRad);
var locX = new Vector2(cosAngle, sinAngle);
var locY = new Vector2(-sinAngle, cosAngle);
var topRight = locX * (halfDim.X - m_offset.X) + locY * (halfDim.Y - m_offset.Y);
var botRight = locX * (halfDim.X - m_offset.X) + locY * (-halfDim.Y - m_offset.Y);
var topLeft = locX * (-halfDim.X - m_offset.X) + locY * (halfDim.Y - m_offset.Y);
var botLeft = locX * (-halfDim.X - m_offset.X) + locY * (-halfDim.Y - m_offset.Y);
var zoomFac = 1.0f;
if (camera != null)
{
zoomFac = camera.GetZoomFactor();
}
m_vertices[i_getVertexStartId(0) + 0] = (position.X + topRight.X * m_scale.X - cameraPos.X) * (renderSettings.InvWidth * zoomFac);
m_vertices[i_getVertexStartId(0) + 1] = (position.Y + topRight.Y * m_scale.Y - cameraPos.Y) * (renderSettings.InvHeight * zoomFac);
m_vertices[i_getVertexStartId(0) + 3] = m_uvOffset.X + m_uvScale.X;
m_vertices[i_getVertexStartId(0) + 4] = m_uvOffset.Y + m_uvScale.Y;
m_vertices[i_getVertexStartId(1) + 0] = (position.X + botRight.X * m_scale.X - cameraPos.X) * (renderSettings.InvWidth * zoomFac);
m_vertices[i_getVertexStartId(1) + 1] = (position.Y + botRight.Y * m_scale.Y - cameraPos.Y) * (renderSettings.InvHeight * zoomFac);
m_vertices[i_getVertexStartId(1) + 3] = m_uvOffset.X + m_uvScale.X;
m_vertices[i_getVertexStartId(1) + 4] = m_uvOffset.Y;
m_vertices[i_getVertexStartId(2) + 0] = (position.X + botLeft.X * m_scale.X - cameraPos.X) * (renderSettings.InvWidth * zoomFac);
m_vertices[i_getVertexStartId(2) + 1] = (position.Y + botLeft.Y * m_scale.Y - cameraPos.Y) * (renderSettings.InvHeight * zoomFac);
m_vertices[i_getVertexStartId(2) + 3] = m_uvOffset.X;
m_vertices[i_getVertexStartId(2) + 4] = m_uvOffset.Y;
m_vertices[i_getVertexStartId(3) + 0] = (position.X + topLeft.X * m_scale.X - cameraPos.X) * (renderSettings.InvWidth * zoomFac);
m_vertices[i_getVertexStartId(3) + 1] = (position.Y + topLeft.Y * m_scale.Y - cameraPos.Y) * (renderSettings.InvHeight * zoomFac);
m_vertices[i_getVertexStartId(3) + 3] = m_uvOffset.X;
m_vertices[i_getVertexStartId(3) + 4] = m_uvOffset.Y + m_uvScale.Y;
}
public abstract void OnRender(SSBBE.RenderSettings renderSettings, GameObjects.Cameras.Camera camera);
