53 lines
2.8 KiB
C
53 lines
2.8 KiB
C
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#pragma once
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/****************************************************************************
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Copyright (c) 2009,Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "math/float2.h"
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#include "math/matrix44.h"
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#include "math/line.h"
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#include "math/ray.h"
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#include "graphicsystem/Camera/Camera.h"
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//------------------------------------------------------------------------------
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namespace AppUtil
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{
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class MouseRayUtil
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{
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public:
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/// compute world-space line segment( line's length is by in_param float length) from mouse position (mouse screen position is expected in the range 0..1)
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static Math::line ComputeWorldMouseRay(const Math::float2& mouseScreenPos, float length, const Math::matrix44& invViewMatrix, const Math::matrix44& invProjMatrix, float nearPlane);
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static Math::line ComputeWorldMouseLine(const Math::float2& mousePos, const Math::matrix44& invViewMatrix, float nearPlaneDist, float nearPlaneWidth, float nearPlaneHeight, Graphic::Camera::ViewType viewType = Graphic::Camera::VT_persp, float length = 10000);
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/// compute world-space ray from mouse position (mouse screen position is expected in the range 0..1)
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static Math::Ray ComputeWorldMouseRay(const Math::float2& mouseScreenPos, const Math::matrix44& invViewMatrix, const Math::matrix44& invProjMatrix, float nearPlane, Graphic::Camera::ViewType viewType = Graphic::Camera::VT_persp);
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static Math::Ray ComputeWorldMouseRay(const Math::float2& mouseScreenPos, const Math::matrix44& invViewMatrix, float nearPlaneWidth, float nearPlaneHeight, float neardistane, Graphic::Camera::ViewType viewType);
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};
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} // namespace RenderUtil
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//------------------------------------------------------------------------------
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