public static void CreateRadialGlow(out Texture targetTexture, uint size, Color col, float opacity = 0.2f, PennerDoubleAnimation.EquationType type = PennerDoubleAnimation.EquationType.Linear)
{
Image targetImage = new Image(size, size);
Vector2u centerPosition = new Vector2u(size / 2, size / 2);
float distanceToCenterMax = (float)Math.Sqrt(centerPosition.X * centerPosition.X + centerPosition.Y * centerPosition.Y) / 1.5f;
for (uint i = 0; i != size; i++)
{
for (uint j = 0; j != size; j++)
{
Color pixelCol = col;
Vector2u distanceToCenter = new Vector2u(centerPosition.X - i, centerPosition.Y - j);
float distance = (float)Math.Sqrt(distanceToCenter.X * distanceToCenter.X + distanceToCenter.Y * distanceToCenter.Y);
float newAlpha = 255.0f * opacity * (1.0f - (float)PennerDoubleAnimation.GetValue(type, distance, 0, 1, distanceToCenterMax));
if (newAlpha < 0.0f)
{
newAlpha = 0.0f;
}
//Console.WriteLine(newAlpha);
pixelCol.A = (byte)newAlpha;
targetImage.SetPixel(i, j, pixelCol);
}
}
targetTexture = new Texture(targetImage);
}
public void DoAlphaTween()
{
if (!alive)
{
return;
}
float val = PennerDoubleAnimation.GetValue(ease, age, valueStart, valueEnd, maxTime);
_spr.Alpha = (byte)val;
}
public void DoScaleTween()
{
if (!alive)
{
return;
}
float val = PennerDoubleAnimation.GetValue(ease, age, valueStart, valueEnd, maxTime);
_spr.Scale(val, val);
}
private void DoParticleAlpha()
{
float time = TotalLifeTime - RemainingLifeTime;
float value = 1.0f - (float)PennerDoubleAnimation.GetValue(AlphaChangeType, time, 0, 1, TotalLifeTime);
if (value * (float)InitialAlpha <= 2)
{
IsAlive = false;
}
SetAlpha((byte)(value * (float)InitialAlpha));
}
public static void CreateLinearAssymetricGlowInOut(out Texture targetTexture, uint sizeX, uint sizeY, Color col, float opacity = 0.2f, PennerDoubleAnimation.EquationType type1 = PennerDoubleAnimation.EquationType.Linear, PennerDoubleAnimation.EquationType type2 = PennerDoubleAnimation.EquationType.Linear, ShakeDirection direction = ShakeDirection.UpDown)
{
Image targetImage = new Image(sizeX, sizeY);
float centerPosition = 0.0f;
if (direction == ShakeDirection.UpDown)
{
centerPosition = sizeY / 2.0f;
}
else if (direction == ShakeDirection.LeftRight)
{
centerPosition = sizeX / 2.0f;
}
for (uint i = 0; i != sizeX; i++)
{
for (uint j = 0; j != sizeY; j++)
{
Color pixelCol = col;
float distanceToCenter = 0.0f;
if (direction == ShakeDirection.UpDown)
{
distanceToCenter = (float)(centerPosition - j);
}
else if (direction == ShakeDirection.LeftRight)
{
distanceToCenter = (float)(centerPosition - i);
}
float newAlpha;
if (distanceToCenter > 0.0f)
{
newAlpha = 255.0f * opacity * (1.0f - (float)PennerDoubleAnimation.GetValue(type1, distanceToCenter, 0, 1, centerPosition));
}
else
{
newAlpha = 255.0f * opacity * (1.0f - (float)PennerDoubleAnimation.GetValue(type2, distanceToCenter, 0, 1, centerPosition));
}
if (newAlpha < 0.0f)
{
newAlpha = 0.0f;
}
//Console.WriteLine(newAlpha);
pixelCol.A = (byte)newAlpha;
targetImage.SetPixel(i, j, pixelCol);
}
}
targetTexture = new Texture(targetImage);
}
public void DoAlphaTween()
{
if (!alive)
{
return;
}
float val = PennerDoubleAnimation.GetValue(ease, age, valueStart, valueEnd, maxTime);
//Console.WriteLine("do alpha tween" + val.ToString());
Color newCol = new Color(_shp.FillColor);
newCol.A = (byte)(val);
_shp.FillColor = newCol;
}
private void DoScaleTween()
{
float val = PennerDoubleAnimation.GetValue(ease, age, valueStart, valueEnd, maxTime);
_shp.Scale = new SFML.Window.Vector2f(val, val);
}
