public void TestBoxGeneration()
{
int count = SolidBoxVertexGenerator.VertexCount;
VertexPositionColor[] vertices = new VertexPositionColor[count + 1];
SolidBoxVertexGenerator.Generate(
vertices, 1,
new Vector3(10.0f, 20.0f, 30.0f), new Vector3(20.0f, 25.0f, 32.5f),
Color.Blue
);
Assert.AreEqual(Vector3.Zero, vertices[0].Position);
Assert.AreNotEqual(Vector3.Zero, vertices[1].Position);
Assert.AreNotEqual(Vector3.Zero, vertices[count - 1].Position);
}
/// <summary>Draws a solid (filled) box at the specified location</summary>
/// <param name="min">Contains the coordinates of the box lesser corner</param>
/// <param name="max">Contains the coordinates of the box greater corner</param>
/// <param name="color">Desired color for the box</param>
public void DrawSolidBox(Vector3 min, Vector3 max, Color color)
{
const int VertexCount = SolidBoxVertexGenerator.VertexCount;
// If we would collide with the triangles in the array or there simply
// isn't enough space left, set the overflow flag and silently skip drawing
int proposedEnd = this.triangleIndex + VertexCount;
if ((proposedEnd > this.lineIndex) || (proposedEnd > MaximumDebugVertexCount))
{
this.overflowed = true;
return;
}
// Generate the vertices for the faces of the box
SolidBoxVertexGenerator.Generate(
this.queuedVertices, this.triangleIndex, min, max, color
);
this.triangleIndex += VertexCount;
}