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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 7 End-User License
Agreement and JUCE Privacy Policy.
End User License Agreement: www.juce.com/juce-7-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
Box2DRenderer::Box2DRenderer() noexcept : graphics (nullptr)
{
SetFlags (e_shapeBit);
}
void Box2DRenderer::render (Graphics& g, b2World& world,
float left, float top, float right, float bottom,
const Rectangle<float>& target)
{
graphics = &g;
g.addTransform (AffineTransform::fromTargetPoints (left, top, target.getX(), target.getY(),
right, top, target.getRight(), target.getY(),
left, bottom, target.getX(), target.getBottom()));
world.SetDebugDraw (this);
world.DrawDebugData();
}
Colour Box2DRenderer::getColour (const b2Color& c) const
{
return Colour::fromFloatRGBA (c.r, c.g, c.b, 1.0f);
}
float Box2DRenderer::getLineThickness() const
{
return 0.1f;
}
static void createPath (Path& p, const b2Vec2* vertices, int32 vertexCount)
{
p.startNewSubPath (vertices[0].x, vertices[0].y);
for (int i = 1; i < vertexCount; ++i)
p.lineTo (vertices[i].x, vertices[i].y);
p.closeSubPath();
}
void Box2DRenderer::DrawPolygon (const b2Vec2* vertices, int32 vertexCount, const b2Color& color)
{
graphics->setColour (getColour (color));
Path p;
createPath (p, vertices, vertexCount);
graphics->strokePath (p, PathStrokeType (getLineThickness()));
}
void Box2DRenderer::DrawSolidPolygon (const b2Vec2* vertices, int32 vertexCount, const b2Color& color)
{
graphics->setColour (getColour (color));
Path p;
createPath (p, vertices, vertexCount);
graphics->fillPath (p);
}
void Box2DRenderer::DrawCircle (const b2Vec2& center, float32 radius, const b2Color& color)
{
graphics->setColour (getColour (color));
graphics->drawEllipse (center.x - radius, center.y - radius,
radius * 2.0f, radius * 2.0f,
getLineThickness());
}
void Box2DRenderer::DrawSolidCircle (const b2Vec2& center, float32 radius, const b2Vec2& /*axis*/, const b2Color& colour)
{
graphics->setColour (getColour (colour));
graphics->fillEllipse (center.x - radius, center.y - radius,
radius * 2.0f, radius * 2.0f);
}
void Box2DRenderer::DrawSegment (const b2Vec2& p1, const b2Vec2& p2, const b2Color& color)
{
graphics->setColour (getColour (color));
graphics->drawLine (p1.x, p1.y, p2.x, p2.y, getLineThickness());
}
void Box2DRenderer::DrawTransform (const b2Transform&)
{
}
} // namespace juce
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