void fillQuad(V* v, const RectF& uv, XY* positions, const Color& color)
{
const XY& p1 = positions[0];
const XY& p2 = positions[1];
const XY& p3 = positions[2];
const XY& p4 = positions[3];
V vt;
vt.color = color.rgba();
vt.z = 0;
vt.x = p1.x;
vt.y = p1.y;
vt.u = uv.pos.x;
vt.v = uv.pos.y;
*v = vt;
++v;
vt.x = p2.x;
vt.y = p2.y;
vt.u = uv.pos.x;
vt.v = uv.getBottom();
*v = vt;
++v;
vt.x = p3.x;
vt.y = p3.y;
vt.u = uv.getRight();
vt.v = uv.pos.y;
*v = vt;
++v;
vt.x = p4.x;
vt.y = p4.y;
vt.u = uv.getRight();
vt.v = uv.getBottom();
*v = vt;
++v;
}
void Box9Sprite::prepare()
{
_guidesX.resize(4);
_guidesY.resize(4);
_pointsX.resize(0);
_pointsY.resize(0);
float fFrameWidth = (float)_frame.getFrameSize().x;
float fFrameHeight = (float)_frame.getFrameSize().y;
/*
float fActorWidth = max((float)getSize().x, fFrameWidth);
float fActorHeight = max((float)getSize().y, fFrameHeight);
*/
float fActorWidth = getSize().x;
float fActorHeight = getSize().y;
if (_guideX[1] == 0.0f)
_guideX[1] = fFrameWidth;
if (_guideY[1] == 0.0f)
_guideY[1] = fFrameHeight;
RectF srcFrameRect = _frame.getSrcRect();
_guidesX[0] = srcFrameRect.getLeft(); // these guides contains floats from 0.0 to 1.0, compared to original guides which contain floats in px
_guidesX[1] = interpolate(srcFrameRect.getLeft(), srcFrameRect.getRight(), _guideX[0] / fFrameWidth); // lerp is needed here cuz the frame might be in an atlas
_guidesX[2] = interpolate(srcFrameRect.getLeft(), srcFrameRect.getRight(), _guideX[1] / fFrameWidth);
_guidesX[3] = srcFrameRect.getRight();
_guidesY[0] = srcFrameRect.getTop();
_guidesY[1] = interpolate(srcFrameRect.getTop(), srcFrameRect.getBottom(), _guideY[0] / fFrameHeight);
_guidesY[2] = interpolate(srcFrameRect.getTop(), srcFrameRect.getBottom(), _guideY[1] / fFrameHeight);
_guidesY[3] = srcFrameRect.getBottom();
// filling X axis
_pointsX.push_back(0.0f);
_pointsX.push_back(_guideX[0]);
if (_horzMode == STRETCHING)
{
_pointsX.push_back(fActorWidth - (fFrameWidth - _guideX[1]));
_pointsX.push_back(fActorWidth);
}
else if (_horzMode == TILING || _horzMode == TILING_FULL)
{
float curX = _guideX[0];
float rightB = fActorWidth - (fFrameWidth - _guideX[1]); // right bound (in px)
float centerPart = _guideX[1] - _guideX[0]; // length of the center piece (in px)
// now we add a new center piece every time until we reach right bound
while(1)
{
curX += centerPart;
if (curX <= rightB)
{
_pointsX.push_back(curX);
}
else
{
if (_horzMode == TILING_FULL)
{
_pointsX.push_back(rightB);
_pointsX.push_back(fActorWidth);
}
else
_pointsX.push_back(curX - centerPart + (fFrameWidth - _guideX[1]));
break;
}
}
}
// filling Y axis
_pointsY.push_back(0.0f);
_pointsY.push_back(_guideY[0]);
if (_vertMode == STRETCHING)
{
_pointsY.push_back(fActorHeight - (fFrameHeight - _guideY[1]));
_pointsY.push_back(fActorHeight);
}
else if (_vertMode == TILING || _vertMode == TILING_FULL)
{
float curY = _guideY[0];
float bottomB = fActorHeight - (fFrameHeight - _guideY[1]); // bottom bound (in px)
float centerPart = _guideY[1] - _guideY[0]; // length of the center piece (in px)
// now we add a new center piece every time until we reach right bound
while(1)
{
curY += centerPart;
if (curY <= bottomB)
{
_pointsY.push_back(curY);
}
else
{
if (_vertMode == TILING_FULL)
{
_pointsY.push_back(bottomB);
_pointsY.push_back(fActorHeight);
}
else
_pointsY.push_back(curY - centerPart + (fFrameHeight - _guideY[1]));
break;
}
}
}
_prepared = true;
}