112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
|
/*
|
||
|
|
==============================================================================
|
||
|
|
|
||
|
|
This file is part of the JUCE library.
|
||
|
|
Copyright (c) 2020 - 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 6 End-User License
|
||
|
|
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
|
||
|
|
|
||
|
|
End User License Agreement: www.juce.com/juce-6-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
|