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enforce dimensions of Circles and Quads

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This commit is contained in:
Andrew Meadows 2017-10-26 22:58:24 -07:00
parent 901e145712
commit 474609dabf
2 changed files with 27 additions and 19 deletions
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44
libraries/entities/src/ShapeEntityItem.cpp
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@ -104,6 +104,14 @@ void ShapeEntityItem::setShape(const entity::Shape& shape) {
case entity::Shape::Sphere:
_type = EntityTypes::Sphere;
break;
case entity::Shape::Circle:
// Circle is implicitly flat so we enforce flat dimensions
setDimensions(getDimensions());
break;
case entity::Shape::Quad:
// Quad is implicitly flat so we enforce flat dimensions
setDimensions(getDimensions());
break;
default:
_type = EntityTypes::Shape;
break;
@ -196,6 +204,18 @@ void ShapeEntityItem::setColor(const QColor& value) {
setAlpha(value.alpha());
}
void ShapeEntityItem::setDimensions(const glm::vec3& value) {
const float MAX_FLAT_DIMENSION = 0.0001f;
if ((_shape == entity::Shape::Circle || _shape == entity::Shape::Quad) && value.y > MAX_FLAT_DIMENSION) {
// enforce flatness in Y
glm::vec3 newDimensions = value;
newDimensions.y = MAX_FLAT_DIMENSION;
EntityItem::setDimensions(newDimensions);
} else {
EntityItem::setDimensions(value);
}
}
bool ShapeEntityItem::supportsDetailedRayIntersection() const {
return _shape == entity::Sphere;
}
@ -249,13 +269,8 @@ void ShapeEntityItem::computeShapeInfo(ShapeInfo& info) {
const glm::vec3 entityDimensions = getDimensions();
switch (_shape){
case entity::Shape::Quad: {
// Not in GeometryCache::buildShapes, unsupported.
_collisionShapeType = SHAPE_TYPE_ELLIPSOID;
//TODO WL21389: Add a SHAPE_TYPE_QUAD ShapeType and treat
// as a special box (later if desired support)
}
break;
case entity::Shape::Quad:
// Quads collide like flat Cubes
case entity::Shape::Cube: {
_collisionShapeType = SHAPE_TYPE_BOX;
}
@ -275,19 +290,10 @@ void ShapeEntityItem::computeShapeInfo(ShapeInfo& info) {
}
}
break;
case entity::Shape::Circle: {
_collisionShapeType = SHAPE_TYPE_CIRCLE;
}
break;
case entity::Shape::Circle:
// Circles collide like flat Cylinders
case entity::Shape::Cylinder: {
_collisionShapeType = SHAPE_TYPE_CYLINDER_Y;
// TODO WL21389: determine if rotation is axis-aligned
//const Transform::Quat & rot = _transform.getRotation();
// TODO WL21389: some way to tell apart SHAPE_TYPE_CYLINDER_Y, _X, _Z based on rotation and
// hull ( or dimensions, need circular cross section)
// Should allow for minor variance along axes?
}
break;
case entity::Shape::Cone: {
@ -330,7 +336,7 @@ void ShapeEntityItem::computeShapeInfo(ShapeInfo& info) {
case entity::Shape::Torus: {
// Not in GeometryCache::buildShapes, unsupported.
_collisionShapeType = SHAPE_TYPE_ELLIPSOID;
//TODO WL21389: SHAPE_TYPE_SIMPLE_HULL and pointCollection (later if desired support)
//TODO handle this shape more correctly
}
break;
default: {

2
libraries/entities/src/ShapeEntityItem.h
View file

@ -80,6 +80,8 @@ public:
const rgbColor& getColor() const { return _color; }
void setColor(const rgbColor& value);
void setDimensions(const glm::vec3& value) override;
xColor getXColor() const;
void setColor(const xColor& value);