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BGE Dome: bugfix - Warp Mesh not working

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Fix: to swap the drawing order for the warp mesh polygon
The code was drawing CW instead of CCW.

It would work in some cases where the drawing flags would allow for the
back faces to be visible.

More specifically the alternative fix were:
glDisable ( GL_CULL_FACE );
glFrontFace( GL_CW );

Bug originally reported in the small_planetarium mailing list.
This bug fix was a comissioned job by a group who prefer not to be
credited. Thanks regardless.
This commit is contained in:
Dalai Felinto 2013-08-14 02:59:09 +00:00
parent 5157eea977
commit eccde9f72a
1 changed files with 10 additions and 10 deletions
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20
source/gameengine/Ketsji/KX_Dome.cpp
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@ -401,21 +401,21 @@ void KX_Dome::GLDrawWarpQuads(void)
if (warp.nodes[i][j].i < 0 || warp.nodes[i+1][j].i < 0 || warp.nodes[i+1][j+1].i < 0 || warp.nodes[i][j+1].i < 0)
continue;
glColor3f(warp.nodes[i][j].i, warp.nodes[i][j].i, warp.nodes[i][j].i);
glTexCoord2f((warp.nodes[i][j].u * uv_width), (warp.nodes[i][j].v * uv_height));
glVertex3f(warp.nodes[i][j].x, warp.nodes[i][j].y,0.0);
glColor3f(warp.nodes[i+1][j].i, warp.nodes[i+1][j].i, warp.nodes[i+1][j].i);
glTexCoord2f((warp.nodes[i+1][j].u * uv_width), (warp.nodes[i+1][j].v * uv_height));
glVertex3f(warp.nodes[i+1][j].x, warp.nodes[i+1][j].y,0.0);
glColor3f(warp.nodes[i][j+1].i, warp.nodes[i][j+1].i, warp.nodes[i][j+1].i);
glTexCoord2f((warp.nodes[i][j+1].u * uv_width), (warp.nodes[i][j+1].v * uv_height));
glVertex3f(warp.nodes[i][j+1].x, warp.nodes[i][j+1].y,0.0);
glColor3f(warp.nodes[i+1][j+1].i, warp.nodes[i+1][j+1].i, warp.nodes[i+1][j+1].i);
glTexCoord2f((warp.nodes[i+1][j+1].u * uv_width), (warp.nodes[i+1][j+1].v * uv_height));
glVertex3f(warp.nodes[i+1][j+1].x, warp.nodes[i+1][j+1].y,0.0);
glColor3f(warp.nodes[i][j+1].i, warp.nodes[i][j+1].i, warp.nodes[i][j+1].i);
glTexCoord2f((warp.nodes[i][j+1].u * uv_width), (warp.nodes[i][j+1].v * uv_height));
glVertex3f(warp.nodes[i][j+1].x, warp.nodes[i][j+1].y,0.0);
glColor3f(warp.nodes[i+1][j].i, warp.nodes[i+1][j].i, warp.nodes[i+1][j].i);
glTexCoord2f((warp.nodes[i+1][j].u * uv_width), (warp.nodes[i+1][j].v * uv_height));
glVertex3f(warp.nodes[i+1][j].x, warp.nodes[i+1][j].y,0.0);
glColor3f(warp.nodes[i][j].i, warp.nodes[i][j].i, warp.nodes[i][j].i);
glTexCoord2f((warp.nodes[i][j].u * uv_width), (warp.nodes[i][j].v * uv_height));
glVertex3f(warp.nodes[i][j].x, warp.nodes[i][j].y,0.0);
}
}
glEnd();