public override void Render(World world, Faces faces, RenderSettings settings)
{
base.Render(world, faces, settings);
GL.glDisable(GL.GL_BLEND);
GL.glEnable(GL.GL_COLOR_MATERIAL);
if (settings.Textures)
{
GL.glEnable(GL.GL_TEXTURE_2D);
}
else
{
GL.glDisable(GL.GL_TEXTURE_2D);
}
if (settings.ZBuffer)
{
GL.glEnable(GL.GL_DEPTH_TEST);
}
else
{
GL.glDisable(GL.GL_DEPTH_TEST);
}
GL.glPolygonMode(GL.GL_FRONT_AND_BACK, (settings.Wireframe) ? GL.GL_LINE : GL.GL_FILL);
Color clr = Color.White;
Vector3D light = world.Light;
foreach (Face face in faces)
{
int vertexCount = face.Points.Count;
Vector3DCollection worldCoords = face.Points;
Vector3DCollection textureCoords = null;
Vector3D normal = face.Normal;
if (settings.FaceColors)
{
clr = face.Color;
}
bool texture = (settings.Textures && face.IsTexture);
if (settings.Textures)
{
if (texture)
{
GL.glEnable(GL.GL_TEXTURE_2D);
GL.glBindTexture(GL.Texture.Texture2D, face.Texture.OpenGLHandle);
textureCoords = face.TextureCoords;
}
else
{
GL.glDisable(GL.GL_TEXTURE_2D);
}
}
GL.glBegin(GL.Primative.Polygon);
bool vertexNormals = face.IsVertexNormals;
for (int index = 0; index < vertexCount; index++)
{
Vector3D worldCoord = worldCoords[index];
if (vertexNormals)
{
normal = face.VertexNormals[index];
}
RenderUtils.glColor_PhongIllumination(clr, worldCoord, normal, light, Color.White, light, 30);
if (texture)
{
RenderUtils.glTexture(textureCoords[index]);
}
RenderUtils.glVertex(worldCoord);
}
GL.glEnd();
}
}