godot/servers/physics/joints_sw.h
2016-01-01 11:50:53 -02:00

167 lines
4.4 KiB
C++

/*************************************************************************/
/* joints_sw.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef JOINTS_SW_H
#define JOINTS_SW_H
#include "constraint_sw.h"
#include "body_sw.h"
class JointSW : public ConstraintSW {
public:
virtual PhysicsServer::JointType get_type() const=0;
_FORCE_INLINE_ JointSW(BodySW **p_body_ptr=NULL,int p_body_count=0) : ConstraintSW(p_body_ptr,p_body_count) {
}
};
#if 0
class PinJointSW : public JointSW {
union {
struct {
BodySW *A;
BodySW *B;
};
BodySW *_arr[2];
};
Vector2 anchor_A;
Vector2 anchor_B;
real_t dist;
real_t jn_acc;
real_t jn_max;
real_t max_distance;
real_t mass_normal;
real_t bias;
Vector2 rA,rB;
Vector2 n; //normal
bool correct;
public:
virtual PhysicsServer::JointType get_type() const { return PhysicsServer::JOINT_PIN; }
virtual bool setup(float p_step);
virtual void solve(float p_step);
PinJointSW(const Vector2& p_pos,BodySW* p_body_a,BodySW* p_body_b=NULL);
~PinJointSW();
};
class GrooveJointSW : public JointSW {
union {
struct {
BodySW *A;
BodySW *B;
};
BodySW *_arr[2];
};
Vector2 A_groove_1;
Vector2 A_groove_2;
Vector2 A_groove_normal;
Vector2 B_anchor;
Vector2 jn_acc;
Vector2 gbias;
real_t jn_max;
real_t clamp;
Vector2 xf_normal;
Vector2 rA,rB;
Vector2 k1,k2;
bool correct;
public:
virtual PhysicsServer::JointType get_type() const { return PhysicsServer::JOINT_GROOVE; }
virtual bool setup(float p_step);
virtual void solve(float p_step);
GrooveJointSW(const Vector2& p_a_groove1,const Vector2& p_a_groove2, const Vector2& p_b_anchor, BodySW* p_body_a,BodySW* p_body_b);
~GrooveJointSW();
};
class DampedSpringJointSW : public JointSW {
union {
struct {
BodySW *A;
BodySW *B;
};
BodySW *_arr[2];
};
Vector2 anchor_A;
Vector2 anchor_B;
real_t rest_length;
real_t damping;
real_t stiffness;
Vector2 rA,rB;
Vector2 n;
real_t n_mass;
real_t target_vrn;
real_t v_coef;
public:
virtual PhysicsServer::JointType get_type() const { return PhysicsServer::JOINT_DAMPED_SPRING; }
virtual bool setup(float p_step);
virtual void solve(float p_step);
void set_param(PhysicsServer::DampedStringParam p_param, real_t p_value);
real_t get_param(PhysicsServer::DampedStringParam p_param) const;
DampedSpringJointSW(const Vector2& p_anchor_a,const Vector2& p_anchor_b, BodySW* p_body_a,BodySW* p_body_b);
~DampedSpringJointSW();
};
#endif
#endif // JOINTS__SW_H