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Slight stitching tweak.

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This commit is contained in:
Andrzej Kapolka 2015-01-20 21:52:56 -08:00
parent 79e18b161d
commit 10c4408d94
1 changed files with 7 additions and 1 deletions
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8
interface/src/MetavoxelSystem.cpp
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@ -1738,7 +1738,7 @@ void HeightfieldNodeRenderer::render(const HeightfieldNodePointer& node, const g
cornerMinimumY = qMin(cornerMinimumY, y);
cornerMaximumY = qMax(cornerMaximumY, y);
EdgeCrossing& crossing = cornerCrossings[i];
crossing.point = glm::vec3(offsetX, heightValue - y, offsetZ);
crossing.point = glm::vec3(offsetX, heightValue, offsetZ);
int left = height[-1];
int right = height[1];
int down = height[-width];
@ -1860,6 +1860,7 @@ void HeightfieldNodeRenderer::render(const HeightfieldNodePointer& node, const g
case LOWER_LEFT_CORNER | UPPER_LEFT_CORNER | UPPER_RIGHT_CORNER:
case UPPER_LEFT_CORNER | LOWER_RIGHT_CORNER:
crossings[crossingCount++] = cornerCrossings[0];
crossings[crossingCount - 1].point.y -= y;
break;
case UPPER_RIGHT_CORNER:
@ -1867,18 +1868,21 @@ void HeightfieldNodeRenderer::render(const HeightfieldNodePointer& node, const g
case UPPER_LEFT_CORNER | UPPER_RIGHT_CORNER | LOWER_RIGHT_CORNER:
case UPPER_RIGHT_CORNER | LOWER_LEFT_CORNER:
crossings[crossingCount++] = cornerCrossings[1];
crossings[crossingCount - 1].point.y -= y;
break;
case LOWER_LEFT_CORNER:
case LOWER_RIGHT_CORNER | LOWER_LEFT_CORNER:
case LOWER_RIGHT_CORNER | LOWER_LEFT_CORNER | UPPER_LEFT_CORNER:
crossings[crossingCount++] = cornerCrossings[2];
crossings[crossingCount - 1].point.y -= y;
break;
case LOWER_RIGHT_CORNER:
case UPPER_RIGHT_CORNER | LOWER_RIGHT_CORNER:
case UPPER_RIGHT_CORNER | LOWER_RIGHT_CORNER | LOWER_LEFT_CORNER:
crossings[crossingCount++] = cornerCrossings[3];
crossings[crossingCount - 1].point.y -= y;
break;
case NO_CORNERS:
@ -1906,9 +1910,11 @@ void HeightfieldNodeRenderer::render(const HeightfieldNodePointer& node, const g
float t2 = (y + 1 - heightValue) / divisor;
if (t1 >= 0.0f && t1 <= 1.0f) {
crossings[crossingCount++].mix(cornerCrossings[i], cornerCrossings[nextIndex], t1);
crossings[crossingCount - 1].point.y -= y;
}
if (t2 >= 0.0f && t2 <= 1.0f) {
crossings[crossingCount++].mix(cornerCrossings[i], cornerCrossings[nextIndex], t2);
crossings[crossingCount - 1].point.y -= y;
}
}
break;