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Adding UVs on end caps

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This commit is contained in:
Bastiaan Olij 2018-11-19 21:57:10 +11:00
parent 5738c92b39
commit 9703153396
1 changed files with 34 additions and 3 deletions
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37
modules/csg/csg_shape.cpp
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@ -1666,6 +1666,24 @@ CSGBrush *CSGPolygon::_build_brush() {
Path *path = NULL; Path *path = NULL;
Ref<Curve3D> curve; Ref<Curve3D> curve;
// get bounds for our polygon
Vector2 final_polygon_min;
Vector2 final_polygon_max;
for (int i = 0; i < final_polygon.size(); i++) {
Vector2 p = final_polygon[i];
if (i == 0) {
final_polygon_min = p;
final_polygon_max = final_polygon_min;
} else {
if (p.x < final_polygon_min.x) final_polygon_min.x = p.x;
if (p.y < final_polygon_min.y) final_polygon_min.y = p.y;
if (p.x > final_polygon_max.x) final_polygon_max.x = p.x;
if (p.y > final_polygon_max.y) final_polygon_max.y = p.y;
}
}
Vector2 final_polygon_size = final_polygon_max - final_polygon_min;
if (mode == MODE_PATH) { if (mode == MODE_PATH) {
if (!has_node(path_node)) if (!has_node(path_node))
return NULL; return NULL;
@ -1757,6 +1775,10 @@ CSGBrush *CSGPolygon::_build_brush() {
v.z -= depth; v.z -= depth;
} }
facesw[face * 3 + k] = v; facesw[face * 3 + k] = v;
uvsw[face * 3 + k] = (p - final_polygon_min) / final_polygon_size;
if (i == 0) {
uvsw[face * 3 + k].x = 1.0 - uvsw[face * 3 + k].x; /* flip x */
}
} }
smoothw[face] = false; smoothw[face] = false;
@ -1888,6 +1910,7 @@ CSGBrush *CSGPolygon::_build_brush() {
Vector2 p = final_polygon[triangles[j + src[k]]]; Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(p.x, p.y, 0); Vector3 v = Vector3(p.x, p.y, 0);
facesw[face * 3 + k] = v; facesw[face * 3 + k] = v;
uvsw[face * 3 + k] = (p - final_polygon_min) / final_polygon_size;
} }
smoothw[face] = false; smoothw[face] = false;
@ -1905,6 +1928,8 @@ CSGBrush *CSGPolygon::_build_brush() {
Vector2 p = final_polygon[triangles[j + src[k]]]; Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(normali_n.x * p.x, p.y, normali_n.z * p.x); Vector3 v = Vector3(normali_n.x * p.x, p.y, normali_n.z * p.x);
facesw[face * 3 + k] = v; facesw[face * 3 + k] = v;
uvsw[face * 3 + k] = (p - final_polygon_min) / final_polygon_size;
uvsw[face * 3 + k].x = 1.0 - uvsw[face * 3 + k].x; /* flip x */
} }
smoothw[face] = false; smoothw[face] = false;
@ -1990,10 +2015,10 @@ CSGBrush *CSGPolygon::_build_brush() {
}; };
Vector2 u[4] = { Vector2 u[4] = {
Vector2(u1, 0),
Vector2(u1, 1), Vector2(u1, 1),
Vector2(u2, 1), Vector2(u1, 0),
Vector2(u2, 0) Vector2(u2, 0),
Vector2(u2, 1)
}; };
// face 1 // face 1
@ -2036,6 +2061,7 @@ CSGBrush *CSGPolygon::_build_brush() {
Vector2 p = final_polygon[triangles[j + src[k]]]; Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(p.x, p.y, 0); Vector3 v = Vector3(p.x, p.y, 0);
facesw[face * 3 + k] = xf.xform(v); facesw[face * 3 + k] = xf.xform(v);
uvsw[face * 3 + k] = (p - final_polygon_min) / final_polygon_size;
} }
smoothw[face] = false; smoothw[face] = false;
@ -2053,6 +2079,8 @@ CSGBrush *CSGPolygon::_build_brush() {
Vector2 p = final_polygon[triangles[j + src[k]]]; Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(p.x, p.y, 0); Vector3 v = Vector3(p.x, p.y, 0);
facesw[face * 3 + k] = xf.xform(v); facesw[face * 3 + k] = xf.xform(v);
uvsw[face * 3 + k] = (p - final_polygon_min) / final_polygon_size;
uvsw[face * 3 + k].x = 1.0 - uvsw[face * 3 + k].x; /* flip x */
} }
smoothw[face] = false; smoothw[face] = false;
@ -2077,6 +2105,9 @@ CSGBrush *CSGPolygon::_build_brush() {
} else { } else {
aabb.expand_to(facesw[i]); aabb.expand_to(facesw[i]);
} }
// invert UVs on the Y-axis OpenGL = upside down
uvsw[i].y = 1.0 - uvsw[i].y;
} }
} }