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authorJuan Linietsky <reduzio@gmail.com>2014-02-19 11:57:14 -0300
committerJuan Linietsky <reduzio@gmail.com>2014-02-19 11:57:14 -0300
commitd7d65fa2f2b51d03f7bdfcbceedca99188ce979c (patch)
treefecdf1bfa39ba5a4895b4dbf340a3b68098c109a /servers/physics_2d/shape_2d_sw.h
parent8c1731b67995add31361ae526b0e6af76346181e (diff)
-improved physics ccd
-html5 exporter works again -disable repeat on image loader by default -can change shape offset en tileset, texture offset was broken
Diffstat (limited to 'servers/physics_2d/shape_2d_sw.h')
-rw-r--r--servers/physics_2d/shape_2d_sw.h927
1 files changed, 513 insertions, 414 deletions
diff --git a/servers/physics_2d/shape_2d_sw.h b/servers/physics_2d/shape_2d_sw.h
index 20e76fad5a..ba5f60cb32 100644
--- a/servers/physics_2d/shape_2d_sw.h
+++ b/servers/physics_2d/shape_2d_sw.h
@@ -26,417 +26,516 @@
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
-#ifndef SHAPE_2D_2DSW_H
-#define SHAPE_2D_2DSW_H
-
-#include "servers/physics_2d_server.h"
-/*
-
-SHAPE_LINE, ///< plane:"plane"
-SHAPE_SEGMENT, ///< float:"length"
-SHAPE_CIRCLE, ///< float:"radius"
-SHAPE_RECTANGLE, ///< vec3:"extents"
-SHAPE_CONVEX_POLYGON, ///< array of planes:"planes"
-SHAPE_CONCAVE_POLYGON, ///< Vector2 array:"triangles" , or Dictionary with "indices" (int array) and "triangles" (Vector2 array)
-SHAPE_CUSTOM, ///< Server-Implementation based custom shape, calling shape_create() with this value will result in an error
-
-*/
-
-class Shape2DSW;
-
-class ShapeOwner2DSW {
-public:
-
- virtual void _shape_changed()=0;
- virtual void remove_shape(Shape2DSW *p_shape)=0;
-
- virtual ~ShapeOwner2DSW() {}
-};
-
-class Shape2DSW {
-
- RID self;
- Rect2 aabb;
- bool configured;
- real_t custom_bias;
-
- Map<ShapeOwner2DSW*,int> owners;
-protected:
-
- void configure(const Rect2& p_aabb);
-public:
-
- _FORCE_INLINE_ void set_self(const RID& p_self) { self=p_self; }
- _FORCE_INLINE_ RID get_self() const {return self; }
-
- virtual Physics2DServer::ShapeType get_type() const=0;
-
- _FORCE_INLINE_ Rect2 get_aabb() const { return aabb; }
- _FORCE_INLINE_ bool is_configured() const { return configured; }
-
- virtual bool is_concave() const { return false; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const=0;
- virtual Vector2 get_support(const Vector2& p_normal) const;
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const=0;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const=0;
- virtual real_t get_moment_of_inertia(float p_mass) const=0;
-
- virtual void set_data(const Variant& p_data)=0;
- virtual Variant get_data() const=0;
-
- _FORCE_INLINE_ void set_custom_bias(real_t p_bias) { custom_bias=p_bias; }
- _FORCE_INLINE_ real_t get_custom_bias() const { return custom_bias; }
-
- void add_owner(ShapeOwner2DSW *p_owner);
- void remove_owner(ShapeOwner2DSW *p_owner);
- bool is_owner(ShapeOwner2DSW *p_owner) const;
- const Map<ShapeOwner2DSW*,int>& get_owners() const;
-
- Shape2DSW();
- virtual ~Shape2DSW();
-};
-
-
-class LineShape2DSW : public Shape2DSW {
-
-
- Vector2 normal;
- real_t d;
-
-public:
-
- _FORCE_INLINE_ Vector2 get_normal() const { return normal; }
- _FORCE_INLINE_ real_t get_d() const { return d; }
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_LINE; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
- virtual real_t get_moment_of_inertia(float p_mass) const;
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
- //real large
- r_min=-1e10;
- r_max=1e10;
- }
-
-};
-
-
-class RayShape2DSW : public Shape2DSW {
-
-
- real_t length;
-
-public:
-
-
- _FORCE_INLINE_ real_t get_length() const { return length; }
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_RAY; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
- virtual real_t get_moment_of_inertia(float p_mass) const;
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
- //real large
- r_max = p_normal.dot(p_transform.get_origin());
- r_min = p_normal.dot(p_transform.xform(Vector2(0,length)));
- if (r_max<r_min) {
-
- SWAP(r_max,r_min);
- }
- }
-
- _FORCE_INLINE_ RayShape2DSW() {}
- _FORCE_INLINE_ RayShape2DSW(real_t p_length) { length=p_length; }
-};
-
-
-class SegmentShape2DSW : public Shape2DSW {
-
-
- Vector2 a;
- Vector2 b;
- Vector2 n;
-
-public:
-
-
- _FORCE_INLINE_ const Vector2& get_a() const { return a; }
- _FORCE_INLINE_ const Vector2& get_b() const { return b; }
- _FORCE_INLINE_ const Vector2& get_normal() const { return n; }
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_SEGMENT; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
- virtual real_t get_moment_of_inertia(float p_mass) const;
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
- //real large
- r_max = p_normal.dot(p_transform.xform(a));
- r_min = p_normal.dot(p_transform.xform(b));
- if (r_max<r_min) {
-
- SWAP(r_max,r_min);
- }
- }
-
- _FORCE_INLINE_ SegmentShape2DSW() {}
- _FORCE_INLINE_ SegmentShape2DSW(const Vector2& p_a,const Vector2& p_b,const Vector2& p_n) { a=p_a; b=p_b; n=p_n; }
-};
-
-
-class CircleShape2DSW : public Shape2DSW {
-
-
- real_t radius;
-
-public:
-
- _FORCE_INLINE_ const real_t& get_radius() const { return radius; }
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CIRCLE; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
- virtual real_t get_moment_of_inertia(float p_mass) const;
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
- //real large
- real_t d = p_normal.dot( p_transform.get_origin() );
-
- // figure out scale at point
- Vector2 local_normal = p_transform.basis_xform_inv(p_normal);
- real_t scale = local_normal.length();
-
- r_min = d - (radius) * scale;
- r_max = d + (radius) * scale;
- }
-
-};
-
-
-
-class RectangleShape2DSW : public Shape2DSW {
-
-
- Vector2 half_extents;
-
-public:
-
- _FORCE_INLINE_ const Vector2& get_half_extents() const { return half_extents; }
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_RECTANGLE; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
- virtual real_t get_moment_of_inertia(float p_mass) const;
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
- // no matter the angle, the box is mirrored anyway
- Vector2 local_normal=p_transform.basis_xform_inv(p_normal);
-
- float length = local_normal.abs().dot(half_extents);
- float distance = p_normal.dot( p_transform.get_origin() );
-
- r_min = distance - length;
- r_max = distance + length;
- }
-
-};
-
-class CapsuleShape2DSW : public Shape2DSW {
-
-
- real_t radius;
- real_t height;
-
-public:
-
- _FORCE_INLINE_ const real_t& get_radius() const { return radius; }
- _FORCE_INLINE_ const real_t& get_height() const { return height; }
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CAPSULE; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
- virtual real_t get_moment_of_inertia(float p_mass) const;
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
- // no matter the angle, the box is mirrored anyway
- Vector2 n=p_transform.basis_xform_inv(p_normal).normalized();
- float h = (n.y > 0) ? height : -height;
-
- n *= radius;
- n.y += h * 0.5;
-
- r_max = p_normal.dot(p_transform.xform(n));
- r_min = p_normal.dot(p_transform.xform(-n));
-
- if (r_max<r_min) {
-
- SWAP(r_max,r_min);
- }
-
- //ERR_FAIL_COND( r_max < r_min );
- }
-
-};
-
-
-class ConvexPolygonShape2DSW : public Shape2DSW {
-
-
- struct Point {
-
- Vector2 pos;
- Vector2 normal; //normal to next segment
- };
-
- Point *points;
- int point_count;
-
-public:
-
- _FORCE_INLINE_ int get_point_count() const { return point_count; }
- _FORCE_INLINE_ const Vector2& get_point(int p_idx) const { return points[p_idx].pos; }
- _FORCE_INLINE_ const Vector2& get_segment_normal(int p_idx) const { return points[p_idx].normal; }
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CONVEX_POLYGON; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
- virtual real_t get_moment_of_inertia(float p_mass) const;
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
- // no matter the angle, the box is mirrored anyway
-
- r_min = r_max = p_normal.dot(p_transform.xform(points[0].pos));
- for(int i=1;i<point_count;i++) {
-
- float d = p_normal.dot(p_transform.xform(points[i].pos));
- if (d>r_max)
- r_max=d;
- if (d<r_min)
- r_min=d;
-
- }
-
- }
-
-
- ConvexPolygonShape2DSW();
- ~ConvexPolygonShape2DSW();
-};
-
-
-class ConcaveShape2DSW : public Shape2DSW {
-
-public:
-
- virtual bool is_concave() const { return true; }
- typedef void (*Callback)(void* p_userdata,Shape2DSW *p_convex);
-
- virtual void cull(const Rect2& p_local_aabb,Callback p_callback,void* p_userdata) const=0;
-
-};
-
-class ConcavePolygonShape2DSW : public ConcaveShape2DSW {
-
- struct Segment {
-
- int points[2];
- };
-
- Vector<Segment> segments;
- Vector<Point2> points;
-
- struct BVH {
-
- Rect2 aabb;
- int left,right;
- };
-
-
- Vector<BVH> bvh;
- int bvh_depth;
-
-
- struct BVH_CompareX {
-
- _FORCE_INLINE_ bool operator ()(const BVH& a, const BVH& b) const {
-
- return (a.aabb.pos.x+a.aabb.size.x*0.5) < (b.aabb.pos.x+b.aabb.size.x*0.5);
- }
- };
-
- struct BVH_CompareY {
-
- _FORCE_INLINE_ bool operator ()(const BVH& a, const BVH& b) const {
-
- return (a.aabb.pos.y+a.aabb.size.y*0.5) < (b.aabb.pos.y+b.aabb.size.y*0.5);
- }
- };
-
- int _generate_bvh(BVH *p_bvh,int p_len,int p_depth);
-
-public:
-
- virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CONCAVE_POLYGON; }
-
- virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { /*project_range(p_normal,p_transform,r_min,r_max);*/ }
- virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
-
- virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
-
- virtual real_t get_moment_of_inertia(float p_mass) const { return 0; }
-
- virtual void set_data(const Variant& p_data);
- virtual Variant get_data() const;
-
- virtual void cull(const Rect2& p_local_aabb,Callback p_callback,void* p_userdata) const;
-
-};
-
-
-#endif // SHAPE_2D_2DSW_H
+#ifndef SHAPE_2D_2DSW_H
+#define SHAPE_2D_2DSW_H
+
+#include "servers/physics_2d_server.h"
+#define _SEGMENT_IS_VALID_SUPPORT_TRESHOLD 0.99998
+
+/*
+
+SHAPE_LINE, ///< plane:"plane"
+SHAPE_SEGMENT, ///< float:"length"
+SHAPE_CIRCLE, ///< float:"radius"
+SHAPE_RECTANGLE, ///< vec3:"extents"
+SHAPE_CONVEX_POLYGON, ///< array of planes:"planes"
+SHAPE_CONCAVE_POLYGON, ///< Vector2 array:"triangles" , or Dictionary with "indices" (int array) and "triangles" (Vector2 array)
+SHAPE_CUSTOM, ///< Server-Implementation based custom shape, calling shape_create() with this value will result in an error
+
+*/
+
+class Shape2DSW;
+
+class ShapeOwner2DSW {
+public:
+
+ virtual void _shape_changed()=0;
+ virtual void remove_shape(Shape2DSW *p_shape)=0;
+
+ virtual ~ShapeOwner2DSW() {}
+};
+
+class Shape2DSW {
+
+ RID self;
+ Rect2 aabb;
+ bool configured;
+ real_t custom_bias;
+
+ Map<ShapeOwner2DSW*,int> owners;
+protected:
+
+ void configure(const Rect2& p_aabb);
+public:
+
+ _FORCE_INLINE_ void set_self(const RID& p_self) { self=p_self; }
+ _FORCE_INLINE_ RID get_self() const {return self; }
+
+ virtual Physics2DServer::ShapeType get_type() const=0;
+
+ _FORCE_INLINE_ Rect2 get_aabb() const { return aabb; }
+ _FORCE_INLINE_ bool is_configured() const { return configured; }
+
+ virtual bool is_concave() const { return false; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const=0;
+ virtual void project_range_castv(const Vector2& p_cast, const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const=0;
+ virtual Vector2 get_support(const Vector2& p_normal) const;
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const=0;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const=0;
+ virtual real_t get_moment_of_inertia(float p_mass) const=0;
+
+ virtual void set_data(const Variant& p_data)=0;
+ virtual Variant get_data() const=0;
+
+ _FORCE_INLINE_ void set_custom_bias(real_t p_bias) { custom_bias=p_bias; }
+ _FORCE_INLINE_ real_t get_custom_bias() const { return custom_bias; }
+
+ void add_owner(ShapeOwner2DSW *p_owner);
+ void remove_owner(ShapeOwner2DSW *p_owner);
+ bool is_owner(ShapeOwner2DSW *p_owner) const;
+ const Map<ShapeOwner2DSW*,int>& get_owners() const;
+
+
+ _FORCE_INLINE_ void get_supports_transformed_cast(const Vector2& p_cast,const Vector2& p_normal,const Matrix32& p_xform,Vector2 *r_supports,int & r_amount) const {
+
+ get_supports(p_xform.basis_xform_inv(p_normal).normalized(),r_supports,r_amount);
+ for(int i=0;i<r_amount;i++)
+ r_supports[i]=p_xform.xform(r_supports[i]);
+
+ if (r_amount==1) {
+
+ if (Math::abs( p_normal.dot(p_cast.normalized()) )<(1.0-_SEGMENT_IS_VALID_SUPPORT_TRESHOLD) ) {
+ //make line because they are parallel
+ r_amount=2;
+ r_supports[1]=r_supports[0]+p_cast;
+ } else if (p_cast.dot(p_normal)>0) {
+ //normal points towards cast, add cast
+ r_supports[0]+=p_cast;
+ }
+
+ } else {
+
+ if (Math::abs( p_normal.dot(p_cast.normalized()) )<(1.0-_SEGMENT_IS_VALID_SUPPORT_TRESHOLD) ) {
+ //optimize line and make it larger because they are parallel
+ if ((r_supports[1]-r_supports[0]).dot(p_cast)>0) {
+ //larger towards 1
+ r_supports[1]+=p_cast;
+ } else {
+ //larger towards 0
+ r_supports[0]+=p_cast;
+ }
+ } else if (p_cast.dot(p_normal)>0) {
+ //normal points towards cast, add cast
+ r_supports[0]+=p_cast;
+ r_supports[1]+=p_cast;
+ }
+
+ }
+ }
+
+ Shape2DSW();
+ virtual ~Shape2DSW();
+};
+
+//let the optimizer do the magic
+#define DEFAULT_PROJECT_RANGE_CAST \
+virtual void project_range_castv(const Vector2& p_cast, const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {\
+ project_range_cast(p_cast,p_normal,p_transform,r_min,r_max);\
+}\
+_FORCE_INLINE_ void project_range_cast(const Vector2& p_cast, const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {\
+\
+ real_t mina,maxa;\
+ real_t minb,maxb;\
+ Matrix32 ofsb=p_transform;\
+ ofsb.elements[2]+=p_cast;\
+ project_range(p_normal,p_transform,mina,maxa);\
+ project_range(p_normal,ofsb,minb,maxb); \
+ r_min=MIN(mina,minb);\
+ r_max=MAX(maxa,maxb);\
+}
+
+class LineShape2DSW : public Shape2DSW {
+
+
+ Vector2 normal;
+ real_t d;
+
+public:
+
+ _FORCE_INLINE_ Vector2 get_normal() const { return normal; }
+ _FORCE_INLINE_ real_t get_d() const { return d; }
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_LINE; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+ virtual real_t get_moment_of_inertia(float p_mass) const;
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ //real large
+ r_min=-1e10;
+ r_max=1e10;
+ }
+
+ virtual void project_range_castv(const Vector2& p_cast, const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ project_range_cast(p_cast,p_normal,p_transform,r_min,r_max);
+ }
+
+ _FORCE_INLINE_ void project_range_cast(const Vector2& p_cast, const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ //real large
+ r_min=-1e10;
+ r_max=1e10;
+ }
+
+
+
+};
+
+
+class RayShape2DSW : public Shape2DSW {
+
+
+ real_t length;
+
+public:
+
+
+ _FORCE_INLINE_ real_t get_length() const { return length; }
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_RAY; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+ virtual real_t get_moment_of_inertia(float p_mass) const;
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ //real large
+ r_max = p_normal.dot(p_transform.get_origin());
+ r_min = p_normal.dot(p_transform.xform(Vector2(0,length)));
+ if (r_max<r_min) {
+
+ SWAP(r_max,r_min);
+ }
+ }
+
+ DEFAULT_PROJECT_RANGE_CAST
+
+
+ _FORCE_INLINE_ RayShape2DSW() {}
+ _FORCE_INLINE_ RayShape2DSW(real_t p_length) { length=p_length; }
+};
+
+
+class SegmentShape2DSW : public Shape2DSW {
+
+
+ Vector2 a;
+ Vector2 b;
+ Vector2 n;
+
+public:
+
+
+ _FORCE_INLINE_ const Vector2& get_a() const { return a; }
+ _FORCE_INLINE_ const Vector2& get_b() const { return b; }
+ _FORCE_INLINE_ const Vector2& get_normal() const { return n; }
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_SEGMENT; }
+
+ _FORCE_INLINE_ Vector2 get_xformed_normal(const Matrix32& p_xform) const {
+
+ return (p_xform.xform(b) - p_xform.xform(a)).normalized().tangent();
+ }
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+ virtual real_t get_moment_of_inertia(float p_mass) const;
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ //real large
+ r_max = p_normal.dot(p_transform.xform(a));
+ r_min = p_normal.dot(p_transform.xform(b));
+ if (r_max<r_min) {
+
+ SWAP(r_max,r_min);
+ }
+ }
+
+ DEFAULT_PROJECT_RANGE_CAST
+
+ _FORCE_INLINE_ SegmentShape2DSW() {}
+ _FORCE_INLINE_ SegmentShape2DSW(const Vector2& p_a,const Vector2& p_b,const Vector2& p_n) { a=p_a; b=p_b; n=p_n; }
+};
+
+
+class CircleShape2DSW : public Shape2DSW {
+
+
+ real_t radius;
+
+public:
+
+ _FORCE_INLINE_ const real_t& get_radius() const { return radius; }
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CIRCLE; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+ virtual real_t get_moment_of_inertia(float p_mass) const;
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ //real large
+ real_t d = p_normal.dot( p_transform.get_origin() );
+
+ // figure out scale at point
+ Vector2 local_normal = p_transform.basis_xform_inv(p_normal);
+ real_t scale = local_normal.length();
+
+ r_min = d - (radius) * scale;
+ r_max = d + (radius) * scale;
+ }
+
+
+ DEFAULT_PROJECT_RANGE_CAST
+
+};
+
+
+
+class RectangleShape2DSW : public Shape2DSW {
+
+
+ Vector2 half_extents;
+
+public:
+
+ _FORCE_INLINE_ const Vector2& get_half_extents() const { return half_extents; }
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_RECTANGLE; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+ virtual real_t get_moment_of_inertia(float p_mass) const;
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ // no matter the angle, the box is mirrored anyway
+ Vector2 local_normal=p_transform.basis_xform_inv(p_normal);
+
+ float length = local_normal.abs().dot(half_extents);
+ float distance = p_normal.dot( p_transform.get_origin() );
+
+ r_min = distance - length;
+ r_max = distance + length;
+ }
+
+ DEFAULT_PROJECT_RANGE_CAST
+
+};
+
+class CapsuleShape2DSW : public Shape2DSW {
+
+
+ real_t radius;
+ real_t height;
+
+public:
+
+ _FORCE_INLINE_ const real_t& get_radius() const { return radius; }
+ _FORCE_INLINE_ const real_t& get_height() const { return height; }
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CAPSULE; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+ virtual real_t get_moment_of_inertia(float p_mass) const;
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ // no matter the angle, the box is mirrored anyway
+ Vector2 n=p_transform.basis_xform_inv(p_normal).normalized();
+ float h = (n.y > 0) ? height : -height;
+
+ n *= radius;
+ n.y += h * 0.5;
+
+ r_max = p_normal.dot(p_transform.xform(n));
+ r_min = p_normal.dot(p_transform.xform(-n));
+
+ if (r_max<r_min) {
+
+ SWAP(r_max,r_min);
+ }
+
+ //ERR_FAIL_COND( r_max < r_min );
+ }
+
+ DEFAULT_PROJECT_RANGE_CAST
+
+};
+
+
+
+
+class ConvexPolygonShape2DSW : public Shape2DSW {
+
+
+ struct Point {
+
+ Vector2 pos;
+ Vector2 normal; //normal to next segment
+ };
+
+ Point *points;
+ int point_count;
+
+public:
+
+ _FORCE_INLINE_ int get_point_count() const { return point_count; }
+ _FORCE_INLINE_ const Vector2& get_point(int p_idx) const { return points[p_idx].pos; }
+ _FORCE_INLINE_ const Vector2& get_segment_normal(int p_idx) const { return points[p_idx].normal; }
+ _FORCE_INLINE_ Vector2 get_xformed_segment_normal(const Matrix32& p_xform, int p_idx) const {
+
+ Vector2 a = points[p_idx].pos;
+ p_idx++;
+ Vector2 b = points[p_idx==point_count?0:p_idx].pos;
+ return (p_xform.xform(b)-p_xform.xform(a)).normalized().tangent();
+ }
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CONVEX_POLYGON; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { project_range(p_normal,p_transform,r_min,r_max); }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+ virtual real_t get_moment_of_inertia(float p_mass) const;
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ _FORCE_INLINE_ void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const {
+ // no matter the angle, the box is mirrored anyway
+
+ r_min = r_max = p_normal.dot(p_transform.xform(points[0].pos));
+ for(int i=1;i<point_count;i++) {
+
+ float d = p_normal.dot(p_transform.xform(points[i].pos));
+ if (d>r_max)
+ r_max=d;
+ if (d<r_min)
+ r_min=d;
+
+ }
+
+ }
+
+ DEFAULT_PROJECT_RANGE_CAST
+
+ ConvexPolygonShape2DSW();
+ ~ConvexPolygonShape2DSW();
+};
+
+
+class ConcaveShape2DSW : public Shape2DSW {
+
+public:
+
+ virtual bool is_concave() const { return true; }
+ typedef void (*Callback)(void* p_userdata,Shape2DSW *p_convex);
+
+ virtual void cull(const Rect2& p_local_aabb,Callback p_callback,void* p_userdata) const=0;
+
+};
+
+class ConcavePolygonShape2DSW : public ConcaveShape2DSW {
+
+ struct Segment {
+
+ int points[2];
+ };
+
+ Vector<Segment> segments;
+ Vector<Point2> points;
+
+ struct BVH {
+
+ Rect2 aabb;
+ int left,right;
+ };
+
+
+ Vector<BVH> bvh;
+ int bvh_depth;
+
+
+ struct BVH_CompareX {
+
+ _FORCE_INLINE_ bool operator ()(const BVH& a, const BVH& b) const {
+
+ return (a.aabb.pos.x+a.aabb.size.x*0.5) < (b.aabb.pos.x+b.aabb.size.x*0.5);
+ }
+ };
+
+ struct BVH_CompareY {
+
+ _FORCE_INLINE_ bool operator ()(const BVH& a, const BVH& b) const {
+
+ return (a.aabb.pos.y+a.aabb.size.y*0.5) < (b.aabb.pos.y+b.aabb.size.y*0.5);
+ }
+ };
+
+ int _generate_bvh(BVH *p_bvh,int p_len,int p_depth);
+
+public:
+
+ virtual Physics2DServer::ShapeType get_type() const { return Physics2DServer::SHAPE_CONCAVE_POLYGON; }
+
+ virtual void project_rangev(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { /*project_range(p_normal,p_transform,r_min,r_max);*/ }
+ virtual void project_range(const Vector2& p_normal, const Matrix32& p_transform, real_t &r_min, real_t &r_max) const { /*project_range(p_normal,p_transform,r_min,r_max);*/ }
+ virtual void get_supports(const Vector2& p_normal,Vector2 *r_supports,int & r_amount) const;
+
+ virtual bool intersect_segment(const Vector2& p_begin,const Vector2& p_end,Vector2 &r_point, Vector2 &r_normal) const;
+
+ virtual real_t get_moment_of_inertia(float p_mass) const { return 0; }
+
+ virtual void set_data(const Variant& p_data);
+ virtual Variant get_data() const;
+
+ virtual void cull(const Rect2& p_local_aabb,Callback p_callback,void* p_userdata) const;
+
+
+ DEFAULT_PROJECT_RANGE_CAST
+
+};
+
+
+#endif // SHAPE_2D_2DSW_H