69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// Copyright (c) 2018-2019 Kiwano - Nomango
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//
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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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//
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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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//
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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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#include <kiwano-physics/Global.h>
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namespace kiwano
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{
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namespace physics
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{
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namespace global
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{
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namespace
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{
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float global_scale = 100.f; // 100 pixels per meters
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}
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float GetScale()
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{
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return global_scale;
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}
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void SetScale(float scale)
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{
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global_scale = scale;
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}
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float WorldToLocal(float value)
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{
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return value * global_scale;
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}
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Vec2 WorldToLocal(const b2Vec2& pos)
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{
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return Point(WorldToLocal(pos.x), WorldToLocal(pos.y));
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}
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float LocalToWorld(float value)
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{
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return value / global_scale;
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}
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b2Vec2 LocalToWorld(const Vec2& pos)
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{
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return b2Vec2(LocalToWorld(pos.x), LocalToWorld(pos.y));
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}
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} // namespace global
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} // namespace physics
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} // namespace kiwano
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