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94 lines
3.6 KiB
Plaintext
94 lines
3.6 KiB
Plaintext
// Filename: occluderNode.I
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// Created by: jenes (11Mar11)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: OccluderNode::set_vertices
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// Access: Published
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// Description: Replaces the four vertices of the occluder polygon.
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// The vertices should be defined in a counterclockwise
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// orientation when looking at the face of the occluder.
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////////////////////////////////////////////////////////////////////
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INLINE void OccluderNode::
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set_vertices(const LPoint3f &v0, const LPoint3f &v1,
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const LPoint3f &v2, const LPoint3f &v3) {
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_vertices.clear();
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_vertices.reserve(4);
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_vertices.push_back(v0);
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_vertices.push_back(v1);
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_vertices.push_back(v2);
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_vertices.push_back(v3);
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}
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////////////////////////////////////////////////////////////////////
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// Function: OccluderNode::get_num_vertices
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// Access: Published
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// Description: Returns the number of vertices in the occluder
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// polygon. This should always return 4.
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////////////////////////////////////////////////////////////////////
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INLINE int OccluderNode::
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get_num_vertices() const {
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return _vertices.size();
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}
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////////////////////////////////////////////////////////////////////
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// Function: OccluderNode::get_vertex
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// Access: Published
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// Description: Returns the nth vertex of the occluder polygon.
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////////////////////////////////////////////////////////////////////
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INLINE const LPoint3f &OccluderNode::
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get_vertex(int n) const {
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nassertr(n >= 0 && n < (int)_vertices.size(), LPoint3f::zero());
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return _vertices[n];
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}
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////////////////////////////////////////////////////////////////////
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// Function: OccluderNode::set_double_sided
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// Access: Published
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// Description: If true, the back-face will also be used to occlude
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////////////////////////////////////////////////////////////////////
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INLINE void OccluderNode::set_double_sided(bool value) {
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_double_sided = value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: OccluderNode::is_double_sided
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// Access: Published
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// Description: Is this occluder double-sided
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////////////////////////////////////////////////////////////////////
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INLINE bool OccluderNode::is_double_sided() {
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return _double_sided;
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}
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////////////////////////////////////////////////////////////////////
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// Function: OccluderNode::set_min_coverage
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// Access: Published
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// Description: Minimum screen coverage needed before occluder used.
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// Range should be 0 to 1. For example, setting to 0.2
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// would mean that the occluder needs to cover 20% of
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// the screen to be considered.
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////////////////////////////////////////////////////////////////////
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INLINE void OccluderNode::set_min_coverage(float value) {
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_min_coverage = value;
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}
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////////////////////////////////////////////////////////////////////
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// Function: OccluderNode::get_min_coverage
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// Access: Published
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// Description: Returns the minimum screen coverage.
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////////////////////////////////////////////////////////////////////
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INLINE float OccluderNode::get_min_coverage() {
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return _min_coverage;
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}
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