private static Matrix4x4 ApplyRandomTransform(
TilingRule.Transform type,
Matrix4x4 original,
float perlinScale,
Vector3Int position)
{
var perlin = GetPerlinValue(position, perlinScale, 200000f);
switch (type)
{
case TilingRule.Transform.MirrorX:
return(original * Matrix4x4.TRS(
Vector3.zero,
Quaternion.identity,
new Vector3(perlin < 0.5 ? 1f : -1f, 1f, 1f)));
case TilingRule.Transform.MirrorY:
return(original * Matrix4x4.TRS(
Vector3.zero,
Quaternion.identity,
new Vector3(1f, perlin < 0.5 ? 1f : -1f, 1f)));
case TilingRule.Transform.Rotated:
var angle = Mathf.Clamp(Mathf.FloorToInt(perlin * 4), 0, 3) * 90;
return(Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(0f, 0f, -angle), Vector3.one));
}
return(original);
}
/// <summary>
/// Returns a random transform matrix given the random transform rule.
/// </summary>
/// <param name="type">Random transform rule.</param>
/// <param name="original">The original transform matrix.</param>
/// <param name="perlinScale">The Perlin Scale factor of the Tile.</param>
/// <param name="position">Position of the Tile on the Tilemap.</param>
/// <returns>A random transform matrix.</returns>
public virtual Matrix4x4 ApplyRandomTransform(TilingRule.Transform type, Matrix4x4 original, float perlinScale, Vector3Int position)
{
float perlin = GetPerlinValue(position, perlinScale, 200000f);
switch (type)
{
case TilingRule.Transform.MirrorXY:
return(original * Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(Math.Abs(perlin - 0.5) > 0.25 ? 1f : -1f, perlin < 0.5 ? 1f : -1f, 1f)));
case TilingRule.Transform.MirrorX:
return(original * Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(perlin < 0.5 ? 1f : -1f, 1f, 1f)));
case TilingRule.Transform.MirrorY:
return(original * Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1f, perlin < 0.5 ? 1f : -1f, 1f)));
case TilingRule.Transform.Rotated:
int angle = Mathf.Clamp(Mathf.FloorToInt(perlin * m_RotationCount), 0, m_RotationCount - 1) * m_RotationAngle;
return(Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(0f, 0f, -angle), Vector3.one));
}
return(original);
}
public MenuItemData(TilingRule mRule, TilingRule.Transform mNewValue)
{
this.m_Rule = mRule;
this.m_NewValue = mNewValue;
}
