public void Render(float partialTicks)
{
GL.Color3(1, 1, 1f);
var tex = TextureManager.GetOrRegister("wall");
GL.BindTexture(TextureTarget.Texture2D, tex);
for (var index = 0; index < _collisionBoxes.Count; index++)
{
var box = _collisionBoxes[index];
var center = box.GetCenter();
GL.Translate(center.X, center.Y, 0);
GL.Scale(box.Size.X, box.Size.Y, 1);
GL.Begin(PrimitiveType.Quads);
VertexUtil.PutQuad();
GL.End();
GL.Scale(1 / box.Size.X, 1 / box.Size.Y, 1);
GL.Translate(-center.X, -center.Y, 0);
}
GL.BindTexture(TextureTarget.Texture2D, 0);
}
public override void Render(float partialTicks)
{
if (!IsAlive)
{
return;
}
var partialPos = LastPos + (Pos - LastPos) * partialTicks;
GL.Color3(1, 1, 1f);
GL.BindTexture(TextureTarget.Texture2D, TextureManager.GetOrRegister("red"));
var x = Game.Instance.MouseLast.X - Game.Instance.Width / 2f;
var y = Game.Instance.MouseLast.Y - Game.Instance.Height / 2f;
Rotation = Vector2.Normalize(new Vector2(x, y));
var ratio = Rotation.X == 0 ? (Rotation.Y > 0 ? 90 : -90) : Rotation.Y / Rotation.X;
var atan = Math.Atan(float.IsNaN(ratio) || float.IsInfinity(ratio) ? 0 : ratio);
var angle = 90 + (float)MathHelper.RadiansToDegrees(Rotation.X < 0 ? atan + MathHelper.Pi : atan);
GL.Translate(partialPos.X, partialPos.Y, 0);
GL.Scale(_size, _size, 1);
GL.Rotate(angle, 0, 0, 1);
GL.Begin(PrimitiveType.Quads);
VertexUtil.PutQuad();
GL.End();
GL.Rotate(angle, 0, 0, -1);
GL.Scale(1 / _size, 1 / _size, 1);
GL.Translate(-partialPos.X, -partialPos.Y, 0);
GL.BindTexture(TextureTarget.Texture2D, 0);
}
public void RenderShadows(Vector2 viewingPos)
{
GL.PushAttrib(AttribMask.ColorBufferBit);
GL.ClearColor(0, 0, 0, 0); //important
Game.Instance.ShadowFbo.Bind();
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Color4(0, 0, 0, 1f); //shadow color
GL.Disable(EnableCap.Blend);
GL.Begin(PrimitiveType.Quads);
//render shadows
var dist = (float)Math.Sqrt(Game.Instance.Width * Game.Instance.Width +
Game.Instance.Height * Game.Instance.Height);
for (var i = 0; i < _collisionBoxes.Count; i++)
{
var box = _collisionBoxes[i];
for (var index = 0; index < 4; index++)
{
//if last index, this is the first point
var pointNext = box[index == 3 ? 0 : index + 1];
var point = box[index];
//sum of dat magic
if (IsLeft(pointNext, point, viewingPos))
{
GL.Vertex2(point);
var dir = Vector2.Normalize(point - viewingPos);
var projectedPoint = point + dir * dist;
GL.Vertex2(projectedPoint);
dir = Vector2.Normalize(pointNext - viewingPos);
projectedPoint = pointNext + dir * dist;
GL.Vertex2(projectedPoint);
GL.Vertex2(pointNext);
}
}
}
GL.End();
GL.PopAttrib();
Game.Instance.ShadowFbo.Unbind();
Game.Instance.ShadowFbo.BindTexture();
GL.Enable(EnableCap.Blend);
var w = Game.Instance.Width;
var h = Game.Instance.Height;
GL.Color4(1, 1, 1, 0.875f);
GL.Translate(viewingPos.X, viewingPos.Y, 0);
GL.Scale(w, -h, 1);
GL.Begin(PrimitiveType.Quads);
VertexUtil.PutQuad();
GL.End();
GL.Scale(1f / w, -1f / h, 1);
GL.Translate(-viewingPos.X, -viewingPos.Y, 0);
GL.BindTexture(TextureTarget.Texture2D, 0);
}
