public static void DebugDrawPolyline(DebugDrawContext context, params Vector2[] vertices)
{
var vertexData = new VertexPositionColor[vertices.Length];
for (int i = 0; i < vertices.Length; i++)
vertexData[i] = new VertexPositionColor(new Vector3(vertices[i], DEBUG_DRAW_Z), context.Color);
DebugDraw(context, vertexData, PrimitiveType.LineStrip);
}
public static void DebugDrawPoints(DebugDrawContext context, params Vector2[] points)
{
var vertexData = new VertexPositionColor[points.Length * 2];
for (int i = 0; i < points.Length; i++)
{
vertexData[i * 2 + 0] = new VertexPositionColor(new Vector3(points[i], DEBUG_DRAW_Z), context.Color);
vertexData[i * 2 + 1] = new VertexPositionColor(new Vector3(points[i] + Vector2.UnitX, DEBUG_DRAW_Z), context.Color);
}
DebugDraw(context, vertexData, PrimitiveType.LineList);
}
public static void DebugDrawCircle(DebugDrawContext context, BoundingSphere sphere)
{
VertexPositionColor[] vertexData;
Graphics3D.GetWireframeModelData(sphere, DEBUG_DRAW_Z, context.Color, out vertexData);
DebugDraw(context, vertexData, PrimitiveType.LineStrip);
}
private static void DebugDraw(DebugDrawContext context, VertexPositionColor[] vertexData, PrimitiveType primitiveType)
{
var gfx = AssaultWingCore.Instance.GraphicsDeviceService.GraphicsDevice;
DebugEffect.View = context.View;
DebugEffect.Projection = context.Projection;
DebugEffect.World = context.World;
var primitiveCount = primitiveType == PrimitiveType.LineList ? vertexData.Length / 2
: primitiveType == PrimitiveType.LineStrip ? vertexData.Length - 1
: primitiveType == PrimitiveType.TriangleList ? vertexData.Length / 3
: primitiveType == PrimitiveType.TriangleStrip ? vertexData.Length - 2
: 0;
if (primitiveCount <= 0) throw new ArgumentException("Invalid primitive type or vertex count");
foreach (var pass in DebugEffect.CurrentTechnique.Passes)
{
pass.Apply();
gfx.DrawUserPrimitives<VertexPositionColor>(primitiveType, vertexData, 0, primitiveCount);
}
}
