public static void DrawPolygonTriangulation(this IDebugCanvas canvas, Polygon2 poly, StrokeStyle strokeStyle)
{
var cps = new Polygon(poly.Points.Map(p => new PolygonPoint(p.X, p.Y)));
P2T.Triangulate(cps);
foreach (var triangle in cps.Triangles)
{
canvas.DrawTriangle(ToDV3(triangle.Points[0]), ToDV3(triangle.Points[1]), ToDV3(triangle.Points[2]), strokeStyle);
}
}
public static void DrawTriangulation(this IDebugCanvas canvas, Triangulation triangulation, StrokeStyle strokeStyle)
{
canvas.BatchDraw(() => {
foreach (var island in triangulation.Islands)
{
foreach (var triangle in island.Triangles)
{
canvas.DrawTriangle(triangle, strokeStyle);
}
}
});
}
private void DrawEntities(IDebugCanvas debugCanvas)
{
foreach (var(i, entity) in EntityService.EnumerateEntities().Enumerate())
{
// if (i == 2 || i == 1) continue;
var movementComponent = entity.MovementComponent;
if (movementComponent != null)
{
debugCanvas.Transform = Matrix4x4.Identity;
debugCanvas.DrawPoint(movementComponent.WorldPosition, new StrokeStyle(Color.Black, 2 * movementComponent.BaseRadius));
debugCanvas.DrawPoint(movementComponent.WorldPosition, new StrokeStyle(Color.White, 2 * movementComponent.BaseRadius - 2));
// if (movementComponent.Swarm != null && movementComponent.WeightedSumNBodyForces.Norm2D() > GeometryOperations.kEpsilon) {
// var direction = movementComponent.WeightedSumNBodyForces.ToUnit() * movementComponent.BaseRadius;
// var to = movementComponent.WorldPosition + new DoubleVector3(direction.X, direction.Y, 0.0);
// debugCanvas.DrawLine(movementComponent.WorldPosition, to, new StrokeStyle(Color.Gray));
// }
//if (movementComponent.DebugLines != null)
// debugCanvas.DrawLineList(
// movementComponent.DebugLines.SelectMany(pair => new[] { pair.Item1, pair.Item2 }).ToList(),
// new StrokeStyle(Color.Black));
continue;
var terrainOverlayNetwork = TerrainService.CompileSnapshot().OverlayNetworkManager.CompileTerrainOverlayNetwork(entity.MovementComponent.BaseRadius);
if (terrainOverlayNetwork.TryFindTerrainOverlayNode(movementComponent.WorldPosition, out var node, out var plocal))
{
debugCanvas.Transform = node.SectorNodeDescription.WorldTransform;
//debugCanvas.DrawTriangulation(node.LocalGeometryView.Triangulation, StrokeStyle.BlackHairLineSolid);
if (node.LocalGeometryView.Triangulation.TryIntersect(plocal.X, plocal.Y, out var island, out var triangleIndex))
{
debugCanvas.DrawTriangle(island.Triangles[triangleIndex], StrokeStyle.RedHairLineSolid);
}
}
}
}
}
public static void DrawTriangle(this IDebugCanvas canvas, DoubleVector2 p1, DoubleVector2 p2, DoubleVector2 p3, StrokeStyle strokeStyle)
{
canvas.DrawTriangle(ToDV3(p1), ToDV3(p2), ToDV3(p3), strokeStyle);
}