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fix voxelToLocalMatrix

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This commit is contained in:
Seth Alves 2015-05-31 09:28:33 -07:00
parent b9202ebfb6
commit cfeab893e7
1 changed files with 8 additions and 26 deletions
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34
libraries/entities-renderer/src/RenderablePolyVoxEntityItem.cpp
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@ -49,7 +49,6 @@ RenderablePolyVoxEntityItem::RenderablePolyVoxEntityItem(const EntityItemID& ent
setVoxelVolumeSize(_voxelVolumeSize);
}
RenderablePolyVoxEntityItem::~RenderablePolyVoxEntityItem() {
delete _volData;
}
@ -86,7 +85,6 @@ void RenderablePolyVoxEntityItem::setVoxelVolumeSize(glm::vec3 voxelVolumeSize)
decompressVolumeData();
}
void RenderablePolyVoxEntityItem::setVoxelSurfaceStyle(PolyVoxSurfaceStyle voxelSurfaceStyle) {
if (voxelSurfaceStyle == _voxelSurfaceStyle) {
return;
@ -107,7 +105,6 @@ void RenderablePolyVoxEntityItem::setVoxelSurfaceStyle(PolyVoxSurfaceStyle voxel
_needsModelReload = true;
}
void RenderablePolyVoxEntityItem::setVoxelData(QByteArray voxelData) {
if (voxelData == _voxelData) {
return;
@ -116,37 +113,36 @@ void RenderablePolyVoxEntityItem::setVoxelData(QByteArray voxelData) {
decompressVolumeData();
}
glm::vec3 RenderablePolyVoxEntityItem::getSurfacePositionAdjustment() const {
glm::vec3 scale = _dimensions / _voxelVolumeSize; // meters / voxel-units
switch (_voxelSurfaceStyle) {
case PolyVoxEntityItem::SURFACE_MARCHING_CUBES:
return scale / 2.0f;
// return glm::vec3(0.5f, 0.5f, 0.5f);
case PolyVoxEntityItem::SURFACE_EDGED_CUBIC:
return scale / -2.0f;
// return glm::vec3(-0.5f, -0.5f, -0.5f);
case PolyVoxEntityItem::SURFACE_CUBIC:
return scale / 2.0f;
// return glm::vec3(0.5f, 0.5f, 0.5f);
}
return glm::vec3(0, 0, 0);
}
glm::mat4 RenderablePolyVoxEntityItem::voxelToLocalMatrix() const {
glm::vec3 scale = _dimensions / _voxelVolumeSize; // meters / voxel-units
glm::mat4 scaled = glm::scale(glm::mat4(), scale);
glm::mat4 centerToCorner = glm::translate(scaled, (_voxelVolumeSize / -2.0f) + getSurfacePositionAdjustment());
return centerToCorner;
glm::vec3 center = getCenter();
glm::vec3 position = getPosition();
glm::vec3 positionToCenter = center - position;
positionToCenter -= _dimensions * glm::vec3(0.5f,0.5f,0.5f) - getSurfacePositionAdjustment();
glm::mat4 centerToCorner = glm::translate(glm::mat4(), positionToCenter);
glm::mat4 scaled = glm::scale(centerToCorner, scale);
return scaled;
}
glm::mat4 RenderablePolyVoxEntityItem::voxelToWorldMatrix() const {
glm::mat4 rotation = glm::mat4_cast(_rotation);
glm::mat4 translation = glm::translate(getCenter());
glm::mat4 translation = glm::translate(getPosition());
return translation * rotation * voxelToLocalMatrix();
}
glm::mat4 RenderablePolyVoxEntityItem::worldToVoxelMatrix() const {
glm::mat4 worldToModelMatrix = glm::inverse(voxelToWorldMatrix());
return worldToModelMatrix;
@ -331,21 +327,7 @@ void RenderablePolyVoxEntityItem::render(RenderArgs* args) {
getModel();
}
// glm::vec3 position = getPosition();
// glm::vec3 dimensions = getDimensions();
// glm::vec3 scale = dimensions / _voxelVolumeSize;
// glm::vec3 center = getCenter();
// glm::quat rotation = getRotation();
glPushMatrix();
// glTranslatef(position.x, position.y, position.z);
// glm::vec3 axis = glm::axis(rotation);
// glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
// glm::vec3 positionToCenter = center - position;
// // make the rendered voxel volume be centered on the entity's position
// positionToCenter -= _dimensions * glm::vec3(0.5f,0.5f,0.5f) - getSurfacePositionAdjustment();
// glTranslatef(positionToCenter.x, positionToCenter.y, positionToCenter.z);
// glScalef(scale.x, scale.y, scale.z);
glm::mat4 m = voxelToWorldMatrix();
glMultMatrixf(&m[0][0]);