public void DrawSquares(DrawContext dc)
{
FlatBatch2D flatBatch2D = dc.PrimitivesRenderer2D.FlatBatch(1, DepthStencilState.None, null, BlendState.AlphaBlend);
int count = flatBatch2D.LineVertices.Count;
int count2 = flatBatch2D.TriangleVertices.Count;
float num = (float)MathUtils.Remainder(Time.FrameStartTime + (double)m_timeOffset, 10000.0);
float num2 = base.ActualSize.X / 12f;
float num3 = (float)(int)base.GlobalColorTransform.A / 255f;
for (float num4 = 0f; num4 < base.ActualSize.X; num4 += num2)
{
for (float num5 = 0f; num5 < base.ActualSize.Y; num5 += num2)
{
float num6 = 0.35f * MathUtils.Pow(MathUtils.Saturate(SimplexNoise.OctavedNoise(num4 + 1000f, num5, 0.7f * num, 0.5f, 1, 2f, 1f) - 0.1f), 1f) * num3;
float num7 = 0.7f * MathUtils.Pow(SimplexNoise.OctavedNoise(num4, num5, 0.5f * num, 0.5f, 1, 2f, 1f), 3f) * num3;
Vector2 corner = new Vector2(num4, num5);
Vector2 corner2 = new Vector2(num4 + num2, num5 + num2);
if (num6 > 0.01f)
{
flatBatch2D.QueueRectangle(corner, corner2, 0f, new Color(0f, 0f, 0f, num6));
}
if (num7 > 0.01f)
{
flatBatch2D.QueueQuad(corner, corner2, 0f, new Color(0f, 0f, 0f, num7));
}
}
}
flatBatch2D.TransformLines(base.GlobalTransform, count);
flatBatch2D.TransformTriangles(base.GlobalTransform, count2);
}
public override void Update(float dt)
{
dt = MathUtils.Min(dt, 0.1f);
Vector3 zero = Vector3.Zero;
if (Keyboard.IsKeyDown(Key.A))
{
zero.X = -1f;
}
if (Keyboard.IsKeyDown(Key.D))
{
zero.X = 1f;
}
if (Keyboard.IsKeyDown(Key.W))
{
zero.Z = 1f;
}
if (Keyboard.IsKeyDown(Key.S))
{
zero.Z = -1f;
}
Vector2 vector = 0.03f * new Vector2(Mouse.MouseMovement.X, -Mouse.MouseMovement.Y);
bool num = Keyboard.IsKeyDown(Key.Shift);
bool flag = Keyboard.IsKeyDown(Key.Control);
Vector3 direction = m_direction;
Vector3 unitY = Vector3.UnitY;
Vector3 vector2 = Vector3.Normalize(Vector3.Cross(direction, unitY));
float num2 = 8f;
if (num)
{
num2 *= 10f;
}
if (flag)
{
num2 /= 10f;
}
Vector3 zero2 = Vector3.Zero;
zero2 += num2 * zero.X * vector2;
zero2 += num2 * zero.Y * unitY;
zero2 += num2 * zero.Z * direction;
m_position += zero2 * dt;
m_direction = Vector3.Transform(m_direction, Matrix.CreateFromAxisAngle(unitY, -4f * vector.X * dt));
m_direction = Vector3.Transform(m_direction, Matrix.CreateFromAxisAngle(vector2, 4f * vector.Y * dt));
SetupPerspectiveCamera(m_position, m_direction, Vector3.UnitY);
Vector2 v = ViewportSize / 2f;
FlatBatch2D flatBatch2D = PrimitivesRenderer2D.FlatBatch(0, DepthStencilState.None);
int count = flatBatch2D.LineVertices.Count;
flatBatch2D.QueueLine(v - new Vector2(5f, 0f), v + new Vector2(5f, 0f), 0f, Color.White);
flatBatch2D.QueueLine(v - new Vector2(0f, 5f), v + new Vector2(0f, 5f), 0f, Color.White);
flatBatch2D.TransformLines(ViewportMatrix, count);
PrimitivesRenderer2D.Flush();
}