public static void Draw(TpSprite *self, float *parentMat, bool isParentTransformDirty)
{
#if FDB
Should.NotNull("self", self);
Should.TypeEqual("self", self->type, Type);
Should.NotNull("self->spriteMeta", self->spriteMeta);
#endif
var bat = DrawCtx.GetBatch(self->spriteMeta->atlas->name);
int vertIdx = bat.vertCount, triIdx = bat.triCount;
bat.RequestQuota(4, 6);
float *verts = self->verts;
float *uvs = self->uvs;
if (self->isTransformDirty)
{
float *mat = stackalloc float[6];
Mat2D.FromScalingRotationTranslation(mat, self->pos, self->scl, self->rot);
TpSpriteMeta.FillQuad(self->spriteMeta, mat, self->verts);
}
var bVerts = bat.verts; var bUvs = bat.uvs;
float z = self->pos[2];
bVerts[vertIdx].Set(verts[0], verts[1], z);
bVerts[vertIdx + 1].Set(verts[2], verts[3], z);
bVerts[vertIdx + 2].Set(verts[4], verts[5], z);
bVerts[vertIdx + 3].Set(verts[6], verts[7], z);
bUvs[vertIdx].Set(uvs[0], uvs[1]);
bUvs[vertIdx + 1].Set(uvs[2], uvs[3]);
bUvs[vertIdx + 2].Set(uvs[4], uvs[5]);
bUvs[vertIdx + 3].Set(uvs[6], uvs[7]);
float *color = self->color;
var bColor = Vec4.Color(color, 0.5f);
var bColors = bat.colors;
bColors[vertIdx] = bColor;
bColors[vertIdx + 1] = bColor;
bColors[vertIdx + 2] = bColor;
bColors[vertIdx + 3] = bColor;
var bTris = bat.tris;
bTris[triIdx] = vertIdx;
bTris[triIdx + 1] = vertIdx + 1;
bTris[triIdx + 2] = vertIdx + 2;
bTris[triIdx + 3] = vertIdx;
bTris[triIdx + 4] = vertIdx + 2;
bTris[triIdx + 5] = vertIdx + 3;
}
