private void AddQuads(QuadCollection quads, string word, Vector2 positionOffset, Color quadColor)
{
var charPos = positionOffset;
foreach (var c in word)
{
var charInfo = resource.GetCharInfo(c) ?? resource.GetDefaultCharInfo();
var frame = resource.frames[charInfo.frameNum];
var anchorPoint = new Vector2(
anchor.x + frame.textureAnchor.x,
anchor.y + frame.textureAnchor.y);
var framePos = new Vector2(
charPos.x + charInfo.offset.x * fontScale,
charPos.y + charInfo.offset.y * fontScale);
charPos.x += (charInfo.symbolWidth + resource.letterSpacing) * fontScale;
var drawColor = new ColorTransform(quadColor);
ColorTransform.Compose(ref drawColor, ref compositeColor, out drawColor);
AddQuad(quads, frame, ref framePos, ref anchorPoint, ref drawColor);
}
}
protected void AddQuad(QuadCollection quads, SheetFrame frame,
ref Vector2 charPos, ref Vector2 anchor, ref ColorTransform colorMult)
{
var texture = frame.texture;
var textureBounds = frame.textureBounds;
Matrix4x4 localMatrix, globalMatrix;
var letterScale = fontScale * frame.textureScale;
var letterScaleVec = new Vector2(letterScale, letterScale);
MatrixUtil.Create2D(ref letterScaleVec, 0, ref charPos, out localMatrix);
MatrixUtil.Multiply(ref localMatrix, ref compositeMatrix, out globalMatrix);
var textureSize = new Vector2(texture.width, texture.height);
var spriteQuad = new SpriteQuad();
spriteQuad.UpdateTransform(ref globalMatrix, ref textureBounds, ref textureSize, ref anchor);
spriteQuad.UpdateColor(ref colorMult);
quads.Add(spriteQuad);
}
