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Code Issues Releases Wiki Activity

ads-game:: fix texture glitches

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Zeno Rogue
2022-09-29 01:13:43 +02:00
parent 0c6d83b702
commit bcd6d772f6
1 changed files with 12 additions and 3 deletions
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15
rogueviz/ads/ds-texture.cpp
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@@ -86,8 +86,9 @@ void draw_texture(texture_to_use& tu) {
et.tinf.tvertices.clear();
ld MWIDTH = tex.tx * .5 / tex.ty;
println(hlog, "shift = ", current.shift, " end = ", tu.to);
array<hyperpoint, 3> pts;
int pts_id = 0;
auto add = [&] (int x, int y) {
ld x0 = (y-(YSCALE/2.)) / YSCALE * M_PI * 4;
@@ -134,6 +135,14 @@ void draw_texture(texture_to_use& tu) {
}
curvepoint(cr.h);
cr.h[2]++; cr.h /= cr.h[2];
pts[pts_id++] = cr.h;
if(pts_id == 3) {
ld area = (pts[0] ^ pts[1])[2] + (pts[1] ^ pts[2])[2] + (pts[2] ^ pts[0])[2];
if(area < 0) { et.tinf.tvertices.resize(et.tinf.tvertices.size()-3); curvedata.resize(curvedata.size()-3); }
pts_id = 0;
}
};
for(int x=0; x<XSCALE; x++)
@@ -141,8 +150,8 @@ void draw_texture(texture_to_use& tu) {
add(x, y);
add(x+1, y);
add(x, y+1);
add(x+1, y);
add(x, y+1);
add(x+1, y);
add(x+1, y+1);
}