public void Draw(IDrawing drawing, IDistortionStage stage)
{
if (_numActive == 0)
{
return;
}
var quadIndices = new int[] { 0, 1, 2, 2, 1, 3 };
for (var n = 0; n < _collectionSize; n++)
{
if (_collection[n].Active)
{
var item = _collection[n];
var fraction = item.TimeCount / item.Duration;
if (!item.CurrentCountDirectionIsForward)
{
fraction = 1.0f - fraction;
}
var halfSize = 0.5f * Utility.Interpolator.Interpolate(item.InitSize, item.FinalSize, ref fraction);
var position = Utility.Interpolator.Interpolate(item.InitPosition, item.FinalPosition, ref fraction);
var intensity = Utility.Interpolator.Interpolate(item.InitIntensity, item.FinalIntensity, ref fraction);
var rotation = Utility.Interpolator.Interpolate(item.InitRotation, item.FinalRotation, ref fraction);
drawing.DrawDistortion(stage, item.CoordinateSpace,
FillType.Textured,
new Vertex2D[]
{
new Vertex2D {
Position = RotateDegressClockwise(new Vector2(-halfSize.X, halfSize.Y), rotation) + position, TexCoord0 = new Vector2(0.0f, 0.0f), TexCoord1 = new Vector2(0.0f, 0.0f), TexWeighting = 0.0f, Colour = new Colour(1.0f, 1.0f, 1.0f, 1.0f)
},
new Vertex2D {
Position = RotateDegressClockwise(new Vector2(halfSize.X, halfSize.Y), rotation) + position, TexCoord0 = new Vector2(1.0f, 0.0f), TexCoord1 = new Vector2(1.0f, 0.0f), TexWeighting = 1.0f, Colour = new Colour(1.0f, 1.0f, 1.0f, 1.0f)
},
new Vertex2D {
Position = RotateDegressClockwise(new Vector2(-halfSize.X, -halfSize.Y), rotation) + position, TexCoord0 = new Vector2(0.0f, 1.0f), TexCoord1 = new Vector2(0.0f, 1.0f), TexWeighting = 0.0f, Colour = new Colour(1.0f, 1.0f, 1.0f, 1.0f)
},
new Vertex2D {
Position = RotateDegressClockwise(new Vector2(halfSize.X, -halfSize.Y), rotation) + position, TexCoord0 = new Vector2(1.0f, 1.0f), TexCoord1 = new Vector2(1.0f, 1.0f), TexWeighting = 1.0f, Colour = new Colour(1.0f, 1.0f, 1.0f, 1.0f)
},
},
quadIndices,
Colour.White,
item.Texture,
null,
TextureCoordinateMode.Wrap,
TextureCoordinateMode.Wrap,
intensity
);
}
}
}
