Class: CP::Body

Inherits:
Object
  • Object
show all
Defined in:
lib/chipmunk-ffi/body.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Body

Returns a new instance of Body.



50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/chipmunk-ffi/body.rb', line 50

def initialize(*args)
  case args.size
  when 1
    @struct = args.first
  when 2
    ptr = CP.cpBodyNew(*args)
    @struct = BodyStruct.new ptr
  else
    raise "wrong number of args for Body, got #{args.size}, but expected 2"
  end
end

Instance Attribute Details

#struct ⇒ Object (readonly)

Returns the value of attribute struct.



49
50
51
 
# File 'lib/chipmunk-ffi/body.rb', line 49

def struct
  @struct
end

Instance Method Details

#a ⇒ Object Also known as: angle 



120
121
122
 
# File 'lib/chipmunk-ffi/body.rb', line 120

def a
  @struct.a
end

#a=(pa) ⇒ Object Also known as: angle= 



123
124
125
 
# File 'lib/chipmunk-ffi/body.rb', line 123

def a=(pa)
  CP.cpBodySetAngle(@struct.pointer, pa)
end

#apply_force(f, r) ⇒ Object 



181
182
183
 
# File 'lib/chipmunk-ffi/body.rb', line 181

def apply_force(f,r)
  CP.cpBodyApplyForce(@struct.pointer,f.struct,r.struct)
end

#apply_impulse(j, r) ⇒ Object 



185
186
187
 
# File 'lib/chipmunk-ffi/body.rb', line 185

def apply_impulse(j,r)
  CP.cpBodyApplyImpulse(@struct.pointer,j.struct,r.struct)
end

#f ⇒ Object Also known as: force 



110
111
112
 
# File 'lib/chipmunk-ffi/body.rb', line 110

def f
  Vec2.new @struct.f
end

#f=(pf) ⇒ Object Also known as: force= 



113
114
115
116
 
# File 'lib/chipmunk-ffi/body.rb', line 113

def f=(pf)
  @struct.f.pointer.put_bytes 0, pf.struct.to_bytes, 0,Vect.size
  self
end

#i ⇒ Object Also known as: moment 



76
77
78
 
# File 'lib/chipmunk-ffi/body.rb', line 76

def i
  @struct.i
end

#i=(pi) ⇒ Object Also known as: moment= 



79
80
81
 
# File 'lib/chipmunk-ffi/body.rb', line 79

def i=(pi)
  CP.cpBodySetMoment(@struct.pointer, pi)
end

#i_inv ⇒ Object Also known as: moment_inv 



85
86
87
 
# File 'lib/chipmunk-ffi/body.rb', line 85

def i_inv
  @struct.i_inv
end

#local2world(v) ⇒ Object 



169
170
171
 
# File 'lib/chipmunk-ffi/body.rb', line 169

def local2world(v)
  Vec2.new CP.cpBodyLocal2World(@struct.pointer,v.struct)
end

#m ⇒ Object Also known as: mass 



62
63
64
 
# File 'lib/chipmunk-ffi/body.rb', line 62

def m
  @struct.m
end

#m=(pm) ⇒ Object Also known as: mass= 



65
66
67
 
# File 'lib/chipmunk-ffi/body.rb', line 65

def m=(pm)
  CP.cpBodySetMass(@struct.pointer, pm)
end

#m_inv ⇒ Object Also known as: mass_inv 



71
72
73
 
# File 'lib/chipmunk-ffi/body.rb', line 71

def m_inv
  @struct.m_inv
end

#p ⇒ Object Also known as: pos 



90
91
92
 
# File 'lib/chipmunk-ffi/body.rb', line 90

def p
  Vec2.new @struct.p
end

#p=(new_p) ⇒ Object Also known as: pos= 



93
94
95
96
 
# File 'lib/chipmunk-ffi/body.rb', line 93

def p=(new_p)
  @struct.p.pointer.put_bytes 0, new_p.struct.to_bytes, 0,Vect.size
  self
end

#reset_forces ⇒ Object 



177
178
179
 
# File 'lib/chipmunk-ffi/body.rb', line 177

def reset_forces
  CP.cpBodyResetForces(@struct.pointer)
end

#rot ⇒ Object 



147
148
149
 
# File 'lib/chipmunk-ffi/body.rb', line 147

def rot
  Vec2.new @struct.rot
end

#t ⇒ Object Also known as: torque 



138
139
140
 
# File 'lib/chipmunk-ffi/body.rb', line 138

def t
  @struct.t
end

#t=(pt) ⇒ Object Also known as: torque= 



141
142
143
 
# File 'lib/chipmunk-ffi/body.rb', line 141

def t=(pt)
  @struct.t = pt
end

#update_position(dt) ⇒ Object 



193
194
195
 
# File 'lib/chipmunk-ffi/body.rb', line 193

def update_position(dt)
  CP.cpBodyUpdatePosition(@struct.pointer,dt)
end

#update_velocity(g, dmp, dt) ⇒ Object 



189
190
191
 
# File 'lib/chipmunk-ffi/body.rb', line 189

def update_velocity(g,dmp,dt)
  CP.cpBodyUpdateVelocity(@struct.pointer,g.struct,dmp,dt)
end

#v ⇒ Object Also known as: vel 



100
101
102
 
# File 'lib/chipmunk-ffi/body.rb', line 100

def v
  Vec2.new @struct.v
end

#v=(pv) ⇒ Object Also known as: vel= 



103
104
105
106
 
# File 'lib/chipmunk-ffi/body.rb', line 103

def v=(pv)
  @struct.v.pointer.put_bytes 0, pv.struct.to_bytes, 0,Vect.size
  self
end

#v_limit ⇒ Object Also known as: vel_limit 



151
152
153
 
# File 'lib/chipmunk-ffi/body.rb', line 151

def v_limit
  @struct.v_limit
end

#v_limit=(new_v_limit) ⇒ Object Also known as: vel_limit= 



154
155
156
 
# File 'lib/chipmunk-ffi/body.rb', line 154

def v_limit=(new_v_limit)
  @struct.v_limit = new_v_limit
end

#w ⇒ Object Also known as: ang_vel 



129
130
131
 
# File 'lib/chipmunk-ffi/body.rb', line 129

def w
  @struct.w
end

#w=(pw) ⇒ Object Also known as: ang_vel= 



132
133
134
 
# File 'lib/chipmunk-ffi/body.rb', line 132

def w=(pw)
  @struct.w = pw
end

#w_limit ⇒ Object Also known as: ang_vel_limit 



160
161
162
 
# File 'lib/chipmunk-ffi/body.rb', line 160

def w_limit
  @struct.w_limit
end

#w_limit=(new_w_limit) ⇒ Object Also known as: ang_vel_limit= 



163
164
165
 
# File 'lib/chipmunk-ffi/body.rb', line 163

def w_limit=(new_w_limit)
  @struct.w_limit = new_w_limit
end

#world2local(v) ⇒ Object 



173
174
175
 
# File 'lib/chipmunk-ffi/body.rb', line 173

def world2local(v)
  Vec2.new CP.cpBodyWorld2Local(@struct.pointer,v.struct)
end