public void PlaceClearBrush(SingleBrush brush, Vector2 point, float lerp = 1f)
{
var localPoint = cachedTransform.InverseTransformPoint(point);
var bounds = meshBounds;
localPoint.z = 0;
if (!bounds.Contains(localPoint))
{
return;
}
SetDirty();
var decalWidth = m_decal.width;
var decalHeight = m_decal.height;
var b = brush.GetBrush(gameObject.tag, 0);
var brushWidth = b.width;
var brushHeigth = b.height;
var uv = GetUV(localPoint, b);
var xStart = (int)((uv.x * decalWidth) - (brushWidth * .5f));
var yStart = (int)((uv.y * decalHeight) - (brushHeigth * .5f));
var pixelCount = b.points.Length;
for (int i = 0; i < pixelCount; i++)
{
var p = b.points[i];
var x = xStart + p.x;
var y = yStart + p.y;
var old = m_decal.GetPixel(x, y);
old.a -= lerp;
m_decal.SetPixel(x, y, old);
}
m_decal.Apply();
}
public void PlaceBrush(SingleBrush brush, Vector2 point, float lerp = 1f, Color color = default(Color))
{
var localPoint = cachedTransform.InverseTransformPoint(point);
var bounds = meshBounds;
localPoint.z = 0;
if (!bounds.Contains(localPoint))
{
return;
}
SetDirty();
var decalWidth = m_decal.width;
var decalHeight = m_decal.height;
var b = brush.GetBrush(gameObject.tag, 0);
var brushWidth = b.width;
var brushHeigth = b.height;
var uv = GetUV(localPoint, b);
var xStart = (int)((uv.x * decalWidth) - (brushWidth * .5f));
var yStart = (int)((uv.y * decalHeight) - (brushHeigth * .5f));
var pixelCount = b.points.Length;
bool replaceColor = color != default(Color);
for (int i = 0; i < pixelCount; i++)
{
var p = b.points[i];
var x = xStart + p.x;
var y = yStart + p.y;
var old = m_decal.GetPixel(x, y);
if (replaceColor)
{
color.a = p.color.a;
}
var c = Color.Lerp(old, replaceColor ? color : p.color, lerp * p.color.a);
if (p.color.a < .3f)
{
c = old;
}
c.a += old.a * 2;
m_decal.SetPixel(x, y, c);
}
m_decal.Apply();
}