1 files changed, 37 insertions, 0 deletions
diff --git a/lib/glsprite.cc b/lib/glsprite.cc
index 478c0ef..18df7eb 100644
--- a/lib/glsprite.cc
+++ b/lib/glsprite.cc
@@ -35,3 +35,40 @@ void mogltk::glSprite::draw(int dx, int dy, ColorP c) {
     if (!was2D)
 	mogltk::engine::glbase_o->Leave2DMode();
 }
+
+void mogltk::glSprite::drawrotate(int cx, int cy, double a, ColorP c) {
+    bool was2D;
+    
+    int sx, sy;
+    
+    sx = GetSX() / 2;
+    sy = GetSY() / 2;
+    
+    was2D = mogltk::engine::glbase_o->is2D();
+    
+    if (!was2D)
+	mogltk::engine::glbase_o->Enter2DMode();
+
+    glMatrixMode(GL_MODELVIEW);
+    glPushMatrix();
+    glRotated(a, 0, 0, 1);
+    glTranslated(cx, cy, 0);
+    
+    glMatrixMode(GL_TEXTURE);
+    glRotated(a, 0, 0, 1);
+    
+    c.Bind();
+
+    Bind();
+    glBegin(GL_TRIANGLE_STRIP);
+    glTexCoord2i(GetPX()          , GetPY()          ); glVertex2i(        - sx,         - sy);
+    glTexCoord2i(GetPX() + GetSX(), GetPY()          ); glVertex2i(GetSX() - sx,         - sy);
+    glTexCoord2i(GetPX()          , GetPY() + GetSY()); glVertex2i(        - sx, GetSY() - sy);
+    glTexCoord2i(GetPX() + GetSX(), GetPY() + GetSY()); glVertex2i(GetSX() - sx, GetSY() - sy);
+    glEnd();
+    
+    glPopMatrix();
+
+    if (!was2D)
+	mogltk::engine::glbase_o->Leave2DMode();
+}