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Switched get/setMeter from being a World method to a love.physics function

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--HG--
branch : box2d-update
This commit is contained in:
Bill Meltsner
2011-09-15 16:13:54 -04:00
parent 1fa99d022a
commit e69cafe868
22 changed files with 270 additions and 256 deletions
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src/modules/physics/box2d/Physics.h
+73
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@@ -50,6 +50,11 @@ namespace box2d
{
class Physics : public Module
{
private:
// The length of one meter in pixels.
static int meter;
public:
// Implements Module.
@@ -242,6 +247,74 @@ namespace box2d
* @param collideConnected Whether the connected bodies should collide with each other. Defaults to false.
**/
RopeJoint * newRopeJoint(Body * body1, Body * body2, float x1, float y1, float x2, float y2, float maxLength, bool collideConnected);
/**
* Sets the number of pixels in one meter.
* @param pixels The number of pixels in one meter. (1m ~= 3.3ft).
**/
static void setMeter(int meter);
/**
* Gets the number of pixels in one meter.
* @param pixels The number of pixels in one meter. (1m ~= 3.3ft).
**/
static int getMeter();
/**
* Scales a value down according to the current meter in pixels.
* @param f The unscaled input value.
**/
static float scaleDown(float f);
/**
* Scales a value up according to the current meter in pixels.
* @param f The unscaled input value.
**/
static float scaleUp(float f);
/**
* Scales a point down according to the current meter
* in pixels, for instance x = x0/meter, y = x0/meter.
* @param x The x-coordinate of the point to scale.
* @param y The y-coordinate of the point to scale.
**/
static void scaleDown(float & x, float & y);
/**
* Scales a point up according to the current meter
* in pixels, for instance x = x0/meter, y = x0/meter.
* @param x The x-coordinate of the point to scale.
* @param y The y-coordinate of the point to scale.
**/
static void scaleUp(float & x, float & y);
/**
* Scales a b2Vec2 down according to the current meter in pixels.
* @param v The unscaled input vector.
* @return The scaled vector.
**/
static b2Vec2 scaleDown(const b2Vec2 & v);
/**
* Scales a b2Vec up according to the current meter in pixels.
* @param v The unscaled input vector.
* @return The scaled vector.
**/
static b2Vec2 scaleUp(const b2Vec2 & v);
/**
* Scales a b2AABB down according to the current meter in pixels.
* @param v The unscaled input AABB.
* @return The scaled AABB.
**/
static b2AABB scaleDown(const b2AABB & aabb);
/**
* Scales a b2AABB up according to the current meter in pixels.
* @param v The unscaled input AABB.
* @return The scaled AABB.
**/
static b2AABB scaleUp(const b2AABB & aabb);
}; // Physics