| … | |
… | |
| 120 | else |
120 | else |
| 121 | { |
121 | { |
| 122 | sector center_s (orig + extent / 2 - ctx.orig); |
122 | sector center_s (orig + extent / 2 - ctx.orig); |
| 123 | point center (center_s.x, center_s.y, center_s.z); |
123 | point center (center_s.x, center_s.y, center_s.z); |
| 124 | |
124 | |
| 125 | GLfloat dia = (2. * sqrtf (3))*(GLfloat)extent; |
125 | GLfloat dia = (2. * sqrtf (3)) * (GLfloat)extent; |
| 126 | |
126 | |
| 127 | if (ctx.frustum.t.distance (center) < -dia) return; |
127 | if (ctx.frustum.t.distance (center) < -dia) return; |
| 128 | if (ctx.frustum.b.distance (center) < -dia) return; |
128 | if (ctx.frustum.b.distance (center) < -dia) return; |
| 129 | if (ctx.frustum.l.distance (center) < -dia) return; |
129 | if (ctx.frustum.l.distance (center) < -dia) return; |
| 130 | if (ctx.frustum.r.distance (center) < -dia) return; |
130 | if (ctx.frustum.r.distance (center) < -dia) return; |
| … | |
… | |
| 135 | if (fd < -dia) |
135 | if (fd < -dia) |
| 136 | { |
136 | { |
| 137 | if (fd < -dia * 2) |
137 | if (fd < -dia * 2) |
| 138 | return; |
138 | return; |
| 139 | |
139 | |
| 140 | // cull, but do check for potential visibility |
|
|
| 141 | if (size ()) |
|
|
| 142 | { |
|
|
| 143 | ctx.farlist.push_back (this); |
140 | ctx.farlist.push_back (this); |
| 144 | return; |
141 | return; |
| 145 | } |
|
|
| 146 | } |
142 | } |
| 147 | } |
143 | } |
| 148 | |
144 | |
| 149 | if (size ()) |
145 | if (size ()) |
| 150 | ctx.vislist.push_back (this); |
146 | ctx.vislist.push_back (this); |
