libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2025-04-02 23:01:42 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Changed transformation origin computation (the previous code is matching pajama2 disasm, but looks wrong to me).

Browse Source 
svn-id: r20316
This commit is contained in:
Gregory Montoir 2006-01-30 19:29:28 +00:00
parent 5465d3206c
commit ea2c7b7d28
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
scumm/wiz_he.cpp
View File

@ -1184,20 +1184,25 @@ void Wiz::drawWizComplexPolygon(int resNum, int state, int po_x, int po_y, int s
int32 w, h;
getWizImageDim(resNum, state, w, h);
// set the transformation origin to the center of the image
pts[0].x = pts[3].x = -(w / 2);
pts[1].x = pts[2].x = w / 2 - 1;
pts[0].x = pts[0].y = pts[1].y = pts[3].x = -(w / 2);
pts[0].y = pts[1].y = -(h / 2);
pts[2].y = pts[3].y = h / 2 - 1;
// transform points
// scale
if (scale != 256) {
for (int i = 0; i < 4; ++i) {
pts[i].x = pts[i].x * scale / 256;
pts[i].y = pts[i].y * scale / 256;
}
}
// rotate
if (angle)
polygonRotatePoints(pts, 4, angle);
// translate
for (int i = 0; i < 4; ++i) {
pts[i].x += po_x;
pts[i].y += po_y;