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Applying ker's patch unmodified.

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This commit is contained in:
David Williams
2011-03-10 20:31:11 +00:00
parent d7cea1b72e
commit 8e6b1a3b7e
14 changed files with 300 additions and 378 deletions
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12
examples/OpenGL/OpenGLWidget.cpp
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@ -58,9 +58,9 @@ void OpenGLWidget::setVolume(PolyVox::Volume<MaterialDensityPair44>* volData)
//If we have any volume data then generate the new surface patches.
if(m_volData != 0)
{
m_uVolumeWidthInRegions = volData->getWidth() / m_uRegionSideLength;
m_uVolumeHeightInRegions = volData->getHeight() / m_uRegionSideLength;
m_uVolumeDepthInRegions = volData->getDepth() / m_uRegionSideLength;
m_uVolumeWidthInRegions = g_uVolumeSideLength / m_uRegionSideLength;
m_uVolumeHeightInRegions = g_uVolumeSideLength / m_uRegionSideLength;
m_uVolumeDepthInRegions = g_uVolumeSideLength / m_uRegionSideLength;
//Our volume is broken down into cuboid regions, and we create one mesh for each region.
//This three-level for loop iterates over each region.
@ -180,8 +180,9 @@ void OpenGLWidget::paintGL()
glMatrixMode(GL_MODELVIEW); // Select The Model View Matrix
glLoadIdentity(); // Reset The Current Modelview Matrix
float diag_len = sqrtf(static_cast<float>(255 * 255 * 3));
//Moves the camera back so we can see the volume
glTranslatef(0.0f, 0.0f, -m_volData->getDiagonalLength());
glTranslatef(0.0f, 0.0f, -diag_len);
glRotatef(m_xRotation, 1.0f, 0.0f, 0.0f);
glRotatef(m_yRotation, 0.0f, 1.0f, 0.0f);
@ -248,7 +249,8 @@ void OpenGLWidget::setupProjectionMatrix(void)
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
float frustumSize = m_volData->getDiagonalLength() / 2.0f;
float diag_len = sqrtf(static_cast<float>(255 * 255 * 3));
float frustumSize = diag_len / 2.0f;
float aspect = static_cast<float>(width()) / static_cast<float>(height());
glOrtho(frustumSize*aspect, -frustumSize*aspect, frustumSize, -frustumSize, 1.0, 5000);