private void drawEdgeEffect()
{
if (maskingInfo == null || edgeEffect.Type == EdgeEffectType.None || edgeEffect.Radius <= 0.0f || edgeEffect.Colour.Linear.A <= 0)
{
return;
}
RectangleF effectRect = maskingInfo.Value.MaskingRect.Inflate(edgeEffect.Radius).Offset(edgeEffect.Offset);
if (!screenSpaceMaskingQuad.HasValue)
{
screenSpaceMaskingQuad = Quad.FromRectangle(effectRect) * DrawInfo.Matrix;
}
MaskingInfo edgeEffectMaskingInfo = maskingInfo.Value;
edgeEffectMaskingInfo.MaskingRect = effectRect;
edgeEffectMaskingInfo.ScreenSpaceAABB = screenSpaceMaskingQuad.Value.AABB;
edgeEffectMaskingInfo.CornerRadius = maskingInfo.Value.CornerRadius + edgeEffect.Radius + edgeEffect.Roundness;
edgeEffectMaskingInfo.BorderThickness = 0;
// HACK HACK HACK. We abuse blend range to give us the linear alpha gradient of
// the edge effect along its radius using the same rounded-corners shader.
edgeEffectMaskingInfo.BlendRange = edgeEffect.Radius;
edgeEffectMaskingInfo.AlphaExponent = 2;
edgeEffectMaskingInfo.EdgeOffset = edgeEffect.Offset;
edgeEffectMaskingInfo.Hollow = edgeEffect.Hollow;
edgeEffectMaskingInfo.HollowCornerRadius = maskingInfo.Value.CornerRadius + edgeEffect.Radius;
GLWrapper.PushMaskingInfo(edgeEffectMaskingInfo);
GLWrapper.SetBlend(new BlendingInfo(edgeEffect.Type == EdgeEffectType.Glow ? BlendingMode.Additive : BlendingMode.Mixture));
Shader.Bind();
ColourInfo colour = ColourInfo.SingleColour(edgeEffect.Colour);
colour.TopLeft.MultiplyAlpha(DrawColourInfo.Colour.TopLeft.Linear.A);
colour.BottomLeft.MultiplyAlpha(DrawColourInfo.Colour.BottomLeft.Linear.A);
colour.TopRight.MultiplyAlpha(DrawColourInfo.Colour.TopRight.Linear.A);
colour.BottomRight.MultiplyAlpha(DrawColourInfo.Colour.BottomRight.Linear.A);
DrawQuad(
Texture.WhitePixel,
screenSpaceMaskingQuad.Value,
colour, null, null, null,
// HACK HACK HACK. We re-use the unused vertex blend range to store the original
// masking blend range when rendering edge effects. This is needed for smooth inner edges
// with a hollow edge effect.
new Vector2(maskingInfo.Value.BlendRange));
Shader.Unbind();
GLWrapper.PopMaskingInfo();
}
public override void ApplyState()
{
base.ApplyState();
if (!Source.Masking && (Source.BorderThickness != 0.0f || Source.EdgeEffect.Type != EdgeEffectType.None))
{
throw new InvalidOperationException("Can not have border effects/edge effects if masking is disabled.");
}
Vector3 scale = DrawInfo.MatrixInverse.ExtractScale();
float blendRange = Source.MaskingSmoothness * (scale.X + scale.Y) / 2;
// Calculate a shrunk rectangle which is free from corner radius/smoothing/border effects
float shrinkage = Source.CornerRadius - Source.CornerRadius * cos_45 + blendRange + Source.borderThickness;
// Normalise to handle negative sizes, and clamp the shrinkage to prevent size from going negative.
RectangleF shrunkDrawRectangle = Source.DrawRectangle.Normalize();
shrunkDrawRectangle = shrunkDrawRectangle.Shrink(new Vector2(Math.Min(shrunkDrawRectangle.Width / 2, shrinkage), Math.Min(shrunkDrawRectangle.Height / 2, shrinkage)));
maskingInfo = !Source.Masking
? (MaskingInfo?)null
: new MaskingInfo
{
ScreenSpaceAABB = Source.ScreenSpaceDrawQuad.AABB,
MaskingRect = Source.DrawRectangle.Normalize(),
ConservativeScreenSpaceQuad = Quad.FromRectangle(shrunkDrawRectangle) * DrawInfo.Matrix,
ToMaskingSpace = DrawInfo.MatrixInverse,
CornerRadius = Source.effectiveCornerRadius,
CornerExponent = Source.CornerExponent,
BorderThickness = Source.BorderThickness,
BorderColour = Source.BorderColour,
// We are setting the linear blend range to the approximate size of a _pixel_ here.
// This results in the optimal trade-off between crispness and smoothness of the
// edges of the masked region according to sampling theory.
BlendRange = blendRange,
AlphaExponent = 1,
};
edgeEffect = Source.EdgeEffect;
screenSpaceMaskingQuad = null;
Shader = Source.Shader;
forceLocalVertexBatch = Source.ForceLocalVertexBatch;
sourceChildrenCount = Source.internalChildren.Count;
}
private void drawEdgeEffect()
{
if (MaskingInfo == null || EdgeEffect.Type == EdgeEffectType.None || EdgeEffect.Radius <= 0.0f || EdgeEffect.Colour.Linear.A <= 0.0f)
{
return;
}
RectangleF effectRect = MaskingInfo.Value.MaskingRect.Inflate(EdgeEffect.Radius).Offset(EdgeEffect.Offset);
if (!ScreenSpaceMaskingQuad.HasValue)
{
ScreenSpaceMaskingQuad = Quad.FromRectangle(effectRect) * DrawInfo.Matrix;
}
MaskingInfo edgeEffectMaskingInfo = MaskingInfo.Value;
edgeEffectMaskingInfo.MaskingRect = effectRect;
edgeEffectMaskingInfo.ScreenSpaceAABB = ScreenSpaceMaskingQuad.Value.AABB;
edgeEffectMaskingInfo.CornerRadius += EdgeEffect.Radius + EdgeEffect.Roundness;
edgeEffectMaskingInfo.BorderThickness = 0;
edgeEffectMaskingInfo.BlendRange = EdgeEffect.Radius;
edgeEffectMaskingInfo.AlphaExponent = 2;
edgeEffectMaskingInfo.Hollow = EdgeEffect.Hollow;
GLWrapper.PushMaskingInfo(edgeEffectMaskingInfo);
GLWrapper.SetBlend(new BlendingInfo(EdgeEffect.Type == EdgeEffectType.Glow ? BlendingMode.Additive : BlendingMode.Mixture));
Shader.Bind();
ColourInfo colour = ColourInfo.SingleColour(EdgeEffect.Colour);
colour.TopLeft.MultiplyAlpha(DrawInfo.Colour.TopLeft.Linear.A);
colour.BottomLeft.MultiplyAlpha(DrawInfo.Colour.BottomLeft.Linear.A);
colour.TopRight.MultiplyAlpha(DrawInfo.Colour.TopRight.Linear.A);
colour.BottomRight.MultiplyAlpha(DrawInfo.Colour.BottomRight.Linear.A);
Texture.WhitePixel.DrawQuad(ScreenSpaceMaskingQuad.Value, colour);
Shader.Unbind();
GLWrapper.PopMaskingInfo();
}
private void drawEdgeEffect()
{
if (MaskingInfo == null || EdgeEffect.Type == EdgeEffectType.None || EdgeEffect.Radius <= 0.0f || EdgeEffect.Colour.A <= 0.0f)
{
return;
}
RectangleF effectRect = MaskingInfo.Value.MaskingRect.Inflate(EdgeEffect.Radius).Offset(EdgeEffect.Offset);
if (!ScreenSpaceMaskingQuad.HasValue)
{
ScreenSpaceMaskingQuad = Quad.FromRectangle(effectRect) * DrawInfo.Matrix;
}
MaskingInfo edgeEffectMaskingInfo = MaskingInfo.Value;
edgeEffectMaskingInfo.MaskingRect = effectRect;
edgeEffectMaskingInfo.ScreenSpaceAABB = ScreenSpaceMaskingQuad.Value.AABB;
edgeEffectMaskingInfo.CornerRadius += EdgeEffect.Radius + EdgeEffect.Roundness;
edgeEffectMaskingInfo.BorderThickness = 0;
edgeEffectMaskingInfo.BlendRange = EdgeEffect.Radius;
GLWrapper.PushMaskingInfo(edgeEffectMaskingInfo);
GLWrapper.SetBlend(new BlendingInfo(EdgeEffect.Type == EdgeEffectType.Glow ? BlendingMode.Additive : BlendingMode.Mixture));
Shader.Bind();
Color4 colour = EdgeEffect.Colour;
colour.A *= DrawInfo.Colour.A;
Texture.WhitePixel.Draw(ScreenSpaceMaskingQuad.Value, colour);
Shader.Unbind();
GLWrapper.PopMaskingInfo();
}
public bool CheckCollision(Quad birdQuad)
{
// Extend the top pipe bounds upwards so it's not possible to simply fly over it.
RectangleF topPipeRect = topPipe.ScreenSpaceDrawQuad.AABBFloat;
topPipeRect.Y -= 5000.0f;
topPipeRect.Height += 5000.0f;
Quad topPipeQuad = Quad.FromRectangle(topPipeRect);
// Bird touched the top pipe
if (birdQuad.Intersects(topPipeQuad))
{
return(true);
}
// Bird touched the bottom pipe
if (birdQuad.Intersects(bottomPipe.ScreenSpaceDrawQuad))
{
return(true);
}
return(false);
}
/// <summary>
/// Accepts a rectangle in local coordinates and converts it to a quad in screen space.
/// </summary>
/// <param name="input">A rectangle in local coordinates.</param>
/// <returns>The quad in screen coordinates.</returns>
public Quad ToScreenSpace(RectangleF input)
{
return(Quad.FromRectangle(input) * DrawInfo.Matrix);
}
/// <summary>
/// Accepts a rectangle in local coordinates and converts it to a quad in Parent's space.
/// </summary>
/// <param name="input">A rectangle in local coordinates.</param>
/// <returns>The quad in Parent's coordinates.</returns>
public Quad ToParentSpace(RectangleF input)
{
return(Quad.FromRectangle(input) * (DrawInfo.Matrix * Parent.DrawInfo.MatrixInverse));
}
public override void Draw(Action <TexturedVertex2D> vertexAction)
{
base.Draw(vertexAction);
if (texture?.Available != true || points == null || points.Count == 0)
{
return;
}
shader.Bind();
texture.TextureGL.Bind();
Vector2 localInflationAmount = new Vector2(0, 1) * DrawInfo.MatrixInverse.ExtractScale().Xy;
// We're dealing with a _large_ number of points, so we need to optimise the quadToDraw * drawInfo.Matrix multiplications below
// for points that are going to be masked out anyway. This allows for higher resolution graphs at larger scales with virtually no performance loss.
// Since the points are generated in the local coordinate space, we need to convert the screen space masking quad coordinates into the local coordinate space
RectangleF localMaskingRectangle = (Quad.FromRectangle(GLWrapper.CurrentMaskingInfo.ScreenSpaceAABB) * DrawInfo.MatrixInverse).AABBFloat;
float separation = drawSize.X / (points.Count - 1);
for (int i = 0; i < points.Count - 1; i++)
{
float leftX = i * separation;
float rightX = (i + 1) * separation;
if (rightX < localMaskingRectangle.Left)
{
continue;
}
if (leftX > localMaskingRectangle.Right)
{
break; // X is always increasing
}
Color4 frequencyColour = baseColour;
// colouring is applied in the order of interest to a viewer.
frequencyColour = Interpolation.ValueAt(points[i].MidIntensity / midMax, frequencyColour, midColour, 0, 1);
// high end (cymbal) can help find beat, so give it priority over mids.
frequencyColour = Interpolation.ValueAt(points[i].HighIntensity / highMax, frequencyColour, highColour, 0, 1);
// low end (bass drum) is generally the best visual aid for beat matching, so give it priority over high/mid.
frequencyColour = Interpolation.ValueAt(points[i].LowIntensity / lowMax, frequencyColour, lowColour, 0, 1);
ColourInfo finalColour = DrawColourInfo.Colour;
finalColour.ApplyChild(frequencyColour);
Quad quadToDraw;
switch (channels)
{
default:
case 2:
{
float height = drawSize.Y / 2;
quadToDraw = new Quad(
new Vector2(leftX, height - points[i].Amplitude[0] * height),
new Vector2(rightX, height - points[i + 1].Amplitude[0] * height),
new Vector2(leftX, height + points[i].Amplitude[1] * height),
new Vector2(rightX, height + points[i + 1].Amplitude[1] * height)
);
break;
}
case 1:
{
quadToDraw = new Quad(
new Vector2(leftX, drawSize.Y - points[i].Amplitude[0] * drawSize.Y),
new Vector2(rightX, drawSize.Y - points[i + 1].Amplitude[0] * drawSize.Y),
new Vector2(leftX, drawSize.Y),
new Vector2(rightX, drawSize.Y)
);
break;
}
}
quadToDraw *= DrawInfo.Matrix;
DrawQuad(texture, quadToDraw, finalColour, null, vertexBatch.AddAction, Vector2.Divide(localInflationAmount, quadToDraw.Size));
}
shader.Unbind();
}
public override void Draw(Action <TexturedVertex2D> vertexAction)
{
base.Draw(vertexAction);
if (Points == null || Points.Count == 0)
{
return;
}
Shader.Bind();
Texture.TextureGL.Bind();
Vector2 localInflationAmount = new Vector2(0, 1) * DrawInfo.MatrixInverse.ExtractScale().Xy;
// We're dealing with a _large_ number of points, so we need to optimise the quadToDraw * drawInfo.Matrix multiplications below
// for points that are going to be masked out anyway. This allows for higher resolution graphs at larger scales with virtually no performance loss.
// Since the points are generated in the local coordinate space, we need to convert the screen space masking quad coordinates into the local coordinate space
RectangleF localMaskingRectangle = (Quad.FromRectangle(GLWrapper.CurrentMaskingInfo.ScreenSpaceAABB) * DrawInfo.MatrixInverse).AABBFloat;
float separation = DrawSize.X / (Points.Count - 1);
for (int i = 0; i < Points.Count - 1; i++)
{
float leftX = i * separation;
float rightX = (i + 1) * separation;
if (rightX < localMaskingRectangle.Left)
{
continue;
}
if (leftX > localMaskingRectangle.Right)
{
break; // X is always increasing
}
ColourInfo colour = DrawInfo.Colour;
Quad quadToDraw;
switch (Channels)
{
default:
case 2:
{
float height = DrawSize.Y / 2;
quadToDraw = new Quad(
new Vector2(leftX, height - Points[i].Amplitude[0] * height),
new Vector2(rightX, height - Points[i + 1].Amplitude[0] * height),
new Vector2(leftX, height + Points[i].Amplitude[1] * height),
new Vector2(rightX, height + Points[i + 1].Amplitude[1] * height)
);
}
break;
case 1:
{
quadToDraw = new Quad(
new Vector2(leftX, DrawSize.Y - Points[i].Amplitude[0] * DrawSize.Y),
new Vector2(rightX, DrawSize.Y - Points[i + 1].Amplitude[0] * DrawSize.Y),
new Vector2(leftX, DrawSize.Y),
new Vector2(rightX, DrawSize.Y)
);
break;
}
}
quadToDraw *= DrawInfo.Matrix;
Texture.DrawQuad(quadToDraw, colour, null, Shared.VertexBatch.Add, Vector2.Divide(localInflationAmount, quadToDraw.Size));
}
Shader.Unbind();
}