public static ImGuiVector4 ImColor_HSV(float h, float s, float v,
float a)
{
ImGui.ColorConvertHSVtoRGB(h, s, v, out var r, out var g,
out var b);
return(new ImGuiVector4(r, g, b, a));
}
static public Vector4 HSVtoRGB(float h, float s, float v, float a = 1.0f)
{
float r, g, b;
ImGui.ColorConvertHSVtoRGB(h, s, v, out r, out g, out b);
return(new Vector4(r, g, b, a));
}
/// <summary>
/// Creates default color palette for use with color pickers.
/// </summary>
/// <param name="swatchCount">The total number of swatches to use.</param>
/// <returns>Default color palette.</returns>
public static List <Vector4> DefaultColorPalette(int swatchCount = 32)
{
var colorPalette = new List <Vector4>();
for (var i = 0; i < swatchCount; i++)
{
ImGui.ColorConvertHSVtoRGB(i / 31.0f, 0.7f, 0.8f, out var r, out var g, out var b);
colorPalette.Add(new Vector4(r, g, b, 1.0f));
}
return(colorPalette);
}
public void SetHSV(float h, float s, float v, float a = 1.0f)
{
ImGui.ColorConvertHSVtoRGB(h, s, v, out Value.x, out Value.y, out Value.z); Value.w = a;
}
public static ImColor HSV(float h, float s, float v, float a = 1.0f)
{
float r, g, b; ImGui.ColorConvertHSVtoRGB(h, s, v, out r, out g, out b); return(new ImColor(r, g, b, a));
}
public Vector4 HSVtoRGB(Vector4 hsv)
{
ImGui.ColorConvertHSVtoRGB(hsv.X, hsv.Y, hsv.Z, out var r, out var g, out var b);
return(new Vector4(r, g, b, hsv.W));
}
public static Vector4 AnimateColor(Vector4 c)
{
float r, g, b, a, x;
r = g = b = a = 1;
var t = QoLBar.GetDrawTime();
var anim = Math.Round(c.W * 255) - 256;
switch (anim)
{
case 0: // Slow Rainbow
ImGui.ColorConvertHSVtoRGB(((t * 15) % 360) / 360, 1, 1, out r, out g, out b);
break;
case 1: // Rainbow
ImGui.ColorConvertHSVtoRGB(((t * 30) % 360) / 360, 1, 1, out r, out g, out b);
break;
case 2: // Fast Rainbow
ImGui.ColorConvertHSVtoRGB(((t * 60) % 360) / 360, 1, 1, out r, out g, out b);
break;
case 3: // Slow Fade
r = c.X; g = c.Y; b = c.Z;
a = (float)(Math.Sin(((t * 30) % 360) * Math.PI / 180) + 1) / 2;
break;
case 4: // Fade
r = c.X; g = c.Y; b = c.Z;
a = (float)(Math.Sin(((t * 60) % 360) * Math.PI / 180) + 1) / 2;
break;
case 5: // Fast Fade
r = c.X; g = c.Y; b = c.Z;
a = (float)(Math.Sin(((t * 120) % 360) * Math.PI / 180) + 1) / 2;
break;
case 6: // Red Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (1 - c.X) * x;
g = c.Y + (0 - c.Y) * x;
b = c.Z + (0 - c.Z) * x;
break;
case 7: // Yellow Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (1 - c.X) * x;
g = c.Y + (1 - c.Y) * x;
b = c.Z + (0 - c.Z) * x;
break;
case 8: // Green Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (0 - c.X) * x;
g = c.Y + (1 - c.Y) * x;
b = c.Z + (0 - c.Z) * x;
break;
case 9: // Cyan Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (0 - c.X) * x;
g = c.Y + (1 - c.Y) * x;
b = c.Z + (1 - c.Z) * x;
break;
case 10: // Blue Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (0 - c.X) * x;
g = c.Y + (0 - c.Y) * x;
b = c.Z + (1 - c.Z) * x;
break;
case 11: // Purple Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (1 - c.X) * x;
g = c.Y + (0 - c.Y) * x;
b = c.Z + (1 - c.Z) * x;
break;
case 12: // White Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (1 - c.X) * x;
g = c.Y + (1 - c.Y) * x;
b = c.Z + (1 - c.Z) * x;
break;
case 13: // Black Transition
x = Math.Abs(((t * 60) % 360) - 180) / 180;
r = c.X + (0 - c.X) * x;
g = c.Y + (0 - c.Y) * x;
b = c.Z + (0 - c.Z) * x;
break;
}
return(new Vector4(r, g, b, a));
}
