public static void RenderRoundedLine(Vector2d position, Vector2d position2, Color color, float thickness, bool knobs = false, bool redknobs = false)
{
using (new GLEnableCap(EnableCap.Blend))
{
using (new GLEnableCap(EnableCap.Texture2D))
{
var vertices = GenRoundedLine(position, position2, color, thickness, knobs, redknobs);
if (vertices.Count != 0)
{
_roundlinevao.Texture = StaticRenderer.CircleTex;
_roundlinevao.Clear();
foreach (var v in vertices)
{
_roundlinevao.AddVertex(v);
}
_roundlinevao.SetOpacity(color.A / 255f);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
_roundlinevao.Draw(PrimitiveType.Triangles);
_roundlinevao.Texture = 0;
}
}
}
}
public static void DrawScarf(DynamicLine[] lines, float opacity)
{
GLEnableCap blend = null;
if (opacity < 1)
{
blend = new GLEnableCap(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
GameDrawingMatrix.Enter();
VAO scarf = new VAO(false, true);//VAO does not need disposing, it does not allocate a buffer
bool t = false;
for (int i = 0; i < lines.Length; i++)
{
Color c = Color.FromArgb((byte)(255 * opacity), 209, 1, 1);
var alt = Color.FromArgb((byte)(255 * opacity), 255, 100, 100);
var diff = lines[i].Position2 - lines[i].Position;
var dangle = MathHelper.RadiansToDegrees(Math.Atan2(diff.Y, diff.X)) + 90;
Vector2d q1;
Vector2d q2;
Vector2d q3;
Vector2d q4;
float size = 2;
if (i == 0)
{
var diff2 = lines[i + 1].Position2 - lines[i + 1].Position;
var dangle2 = MathHelper.RadiansToDegrees(Math.Atan2(diff2.Y, diff2.X)) + 90;
Turtle turtle = new Turtle(lines[i].Position);
turtle.Move(dangle2, -(size / 2));
q1 = turtle.Point;
turtle.Move(0, size);
q2 = turtle.Point;
turtle.Point = lines[i].Position2;
turtle.Move(dangle, size / 2);
q3 = turtle.Point;
turtle.Move(0, -size);
q4 = turtle.Point;
}
else
{
var diff2 = lines[i - 1].Position2 - lines[i - 1].Position;
var dangle2 = MathHelper.RadiansToDegrees(Math.Atan2(diff2.Y, diff2.X)) + 90;
Turtle turtle = new Turtle(lines[i].Position);
turtle.Move(dangle2, -(size / 2));
q1 = turtle.Point;
turtle.Move(0, size);
q2 = turtle.Point;
turtle.Point = lines[i].Position2;
turtle.Move(dangle, size / 2);
q3 = turtle.Point;
turtle.Move(0, -size);
q4 = turtle.Point;
}
scarf.AddVertex(new Vertex((Vector2)q1, t ? c : alt));
scarf.AddVertex(new Vertex((Vector2)q2, t ? c : alt));
scarf.AddVertex(new Vertex((Vector2)q3, t ? c : alt));
scarf.AddVertex(new Vertex((Vector2)q4, t ? c : alt));
t = !t;
}
scarf.Draw(PrimitiveType.Quads);
GameDrawingMatrix.Exit();
if (blend != null)
{
blend.Dispose();
}
}
