diff options
author | Juan Linietsky <reduzio@gmail.com> | 2014-02-19 11:57:14 -0300 |
---|---|---|
committer | Juan Linietsky <reduzio@gmail.com> | 2014-02-19 11:57:14 -0300 |
commit | d7d65fa2f2b51d03f7bdfcbceedca99188ce979c (patch) | |
tree | fecdf1bfa39ba5a4895b4dbf340a3b68098c109a /servers/physics_2d/shape_2d_sw.h | |
parent | 8c1731b67995add31361ae526b0e6af76346181e (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.h | 927 |
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 |