/// <summary>
/// Generates a vertex array from specified components
/// </summary>
/// <param name="vertices">Vertices</param>
/// <param name="colors">Colors</param>
/// <returns>Returns the new generated vertex array</returns>
public static VertexPositionColor[] Generate(Vector3[] vertices, Color4[] colors)
{
if (vertices.Length != colors.Length)
{
throw new ArgumentException("Vertices and colors must have the same length");
}
VertexPositionColor[] res = new VertexPositionColor[vertices.Length];
for (int i = 0; i < vertices.Length; i++)
{
res[i] = new VertexPositionColor()
{
Position = vertices[i], Color = colors[i]
};
}
return(res);
}
public static void DrawBoundingBox(BoundingBox bBox, GraphicsDevice device, BasicEffect basicEffect, Matrix worldMatrix, Matrix viewMatrix, Matrix projectionMatrix)
{
Vector3 v1 = bBox.Min;
Vector3 v2 = bBox.Max;
VertexPositionColor[] cubeLineVertices = new VertexPositionColor[8];
cubeLineVertices[0] = new VertexPositionColor(v1, Color.White);
cubeLineVertices[1] = new VertexPositionColor(new Vector3(v2.X, v1.Y, v1.Z), Color.Red);
cubeLineVertices[2] = new VertexPositionColor(new Vector3(v2.X, v1.Y, v2.Z), Color.Green);
cubeLineVertices[3] = new VertexPositionColor(new Vector3(v1.X, v1.Y, v2.Z), Color.Blue);
cubeLineVertices[4] = new VertexPositionColor(new Vector3(v1.X, v2.Y, v1.Z), Color.White);
cubeLineVertices[5] = new VertexPositionColor(new Vector3(v2.X, v2.Y, v1.Z), Color.Red);
cubeLineVertices[6] = new VertexPositionColor(v2, Color.Green);
cubeLineVertices[7] = new VertexPositionColor(new Vector3(v1.X, v2.Y, v2.Z), Color.Blue);
short[] cubeLineIndices = { 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 };
basicEffect.World = Matrix.Identity; // worldMatrix;
basicEffect.View = viewMatrix;
basicEffect.Projection = projectionMatrix;
basicEffect.VertexColorEnabled = true;
//device.RenderState.FillMode = FillMode.WireFrame;
device.RasterizerState.FillMode = FillMode.WireFrame;
//basicEffect.Begin();
foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes)
{
//pass.Begin();
pass.Apply();
//device.VertexDeclaration = new VertexDeclaration(device, VertexPositionColor.VertexElements);
device.DrawUserIndexedPrimitives <VertexPositionColor>(PrimitiveType.LineList, cubeLineVertices, 0, 8, cubeLineIndices, 0, 12);
//pass.End();
}
//basicEffect.End();
//device.RenderState.FillMode =
device.RasterizerState.FillMode = FillMode.Solid;
}
