axmol/cocos/scripting/lua-bindings/script/Cocos2d.lua

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2014-03-10 14:04:58 +08:00
require "CocoStudio"
cc = cc or {}
cc.DIRECTOR_PROJECTION_2D = 0
cc.DIRECTOR_PROJECTION_3D = 1
function cc.clampf(value, min_inclusive, max_inclusive)
-- body
local temp = 0
if min_inclusive > max_inclusive then
temp = min_inclusive
min_inclusive = max_inclusive
max_inclusive = temp
end
if value < min_inclusive then
return min_inclusive
elseif value < max_inclusive then
return value
else
return max_inclusive
end
end
--Point
function cc.p(_x,_y)
if nil == _y then
return { x = _x.x, y = _x.y }
else
return { x = _x, y = _y }
end
end
function cc.pAdd(pt1,pt2)
return {x = pt1.x + pt2.x , y = pt1.y + pt2.y }
end
function cc.pSub(pt1,pt2)
return {x = pt1.x - pt2.x , y = pt1.y - pt2.y }
end
function cc.pMul(pt1,factor)
return { x = pt1.x * factor , y = pt1.y * factor }
end
function cc.pMidpoint(pt1,pt2)
return { x = (pt1.x + pt2.x) / 2.0 , y = ( pt1.y + pt2.y) / 2.0 }
end
function cc.pForAngle(a)
return { x = math.cos(a), y = math.sin(a) }
end
function cc.pGetLength(pt)
return math.sqrt( pt.x * pt.x + pt.y * pt.y )
end
function cc.pNormalize(pt)
local length = cc.pGetLength(pt)
if 0 == length then
return { x = 1.0,y = 0.0 }
end
return { x = pt.x / length, y = pt.y / length }
end
function cc.pCross(self,other)
return self.x * other.y - self.y * other.x
end
function cc.pDot(self,other)
return self.x * other.x + self.y * other.y
end
function cc.pToAngleSelf(self)
return math.atan2(self.y, self.x)
end
function cc.pGetAngle(self,other)
local a2 = cc.pNormalize(self)
local b2 = cc.pNormalize(other)
local angle = math.atan2(cc.pCross(a2, b2), cc.pDot(a2, b2) )
if math.abs(angle) < 1.192092896e-7 then
2014-03-10 14:04:58 +08:00
return 0.0
end
return angle
end
function cc.pGetDistance(startP,endP)
return cc.pGetLength(cc.pSub(startP,endP))
end
function cc.pIsLineIntersect(A, B, C, D, s, t)
if ((A.x == B.x) and (A.y == B.y)) or ((C.x == D.x) and (C.y == D.y))then
return false, s, t
end
local BAx = B.x - A.x
local BAy = B.y - A.y
local DCx = D.x - C.x
local DCy = D.y - C.y
local ACx = A.x - C.x
local ACy = A.y - C.y
local denom = DCy * BAx - DCx * BAy
s = DCx * ACy - DCy * ACx
t = BAx * ACy - BAy * ACx
if (denom == 0) then
if (s == 0 or t == 0) then
return true, s , t
end
return false, s, t
end
s = s / denom
t = t / denom
return true,s,t
end
function cc.pPerp(pt)
return { x = -pt.y, y = pt.x }
end
function cc.RPerp(pt)
return { x = pt.y, y = -pt.x }
end
function cc.pProject(pt1, pt2)
return { x = pt2.x * (cc.pDot(pt1,pt2) / cc.pDot(pt2,pt2)) , y = pt2.y * (cc.pDot(pt1,pt2) / cc.pDot(pt2,pt2)) }
end
function cc.pRotate(pt1, pt2)
return { x = pt1.x * pt2.x - pt1.y * pt2.y, y = pt1.x * pt2.y + pt1.y * pt2.x }
end
function cc.pUnrotate(pt1, pt2)
return { x = pt1.x * pt2.x + pt1.y * pt2.y, pt1.y * pt2.x - pt1.x * pt2.y }
end
--Calculates the square length of pt
function cc.pLengthSQ(pt)
return cc.pDot(pt,pt)
end
--Calculates the square distance between pt1 and pt2
function cc.pDistanceSQ(pt1,pt2)
return cc.pLengthSQ(cc.pSub(pt1,pt2))
end
function cc.pGetClampPoint(pt1,pt2,pt3)
return { x = cc.clampf(pt1.x, pt2.x, pt3.x), y = cc.clampf(pt1.y, pt2.y, pt3.y) }
end
function cc.pFromSize(sz)
return { x = sz.width, y = sz.height }
end
function cc.pLerp(pt1,pt2,alpha)
return cc.pAdd(cc.pMul(pt1, 1.0 - alpha), cc.pMul(pt2,alpha) )
end
function cc.pFuzzyEqual(pt1,pt2,variance)
if (pt1.x - variance <= pt2.x) and (pt2.x <= pt1.x + variance) and (pt1.y - variance <= pt2.y) and (pt2.y <= pt1.y + variance) then
return true
else
return false
end
end
function cc.pRotateByAngle(pt1, pt2, angle)
return cc.pAdd(pt2, cc.pRotate( cc.pSub(pt1, pt2),cc.pForAngle(angle)))
end
function cc.pIsSegmentIntersect(pt1,pt2,pt3,pt4)
local s,t,ret = 0,0,false
ret,s,t =cc.pIsLineIntersect(pt1, pt2, pt3, pt4,s,t)
if ret and s >= 0.0 and s <= 1.0 and t >= 0.0 and t <= 0.0 then
return true;
end
return false
end
function cc.pGetIntersectPoint(pt1,pt2,pt3,pt4)
local s,t, ret = 0,0,false
ret,s,t = cc.pIsLineIntersect(pt1,pt2,pt3,pt4,s,t)
if ret then
return cc.p(pt1.x + s * (pt2.x - pt1.x), pt1.y + s * (pt2.y - pt1.y))
else
return cc.p(0,0)
end
end
--Size
function cc.size( _width,_height )
return { width = _width, height = _height }
end
--Rect
function cc.rect(_x,_y,_width,_height)
return { x = _x, y = _y, width = _width, height = _height }
end
function cc.rectEqualToRect(rect1,rect2)
if ((rect1.x >= rect2.x) or (rect1.y >= rect2.y) or
( rect1.x + rect1.width <= rect2.x + rect2.width) or
( rect1.y + rect1.height <= rect2.y + rect2.height)) then
return false
end
return true
end
function cc.rectGetMaxX(rect)
return rect.x + rect.width
end
function cc.rectGetMidX(rect)
return rect.x + rect.width / 2.0
end
function cc.rectGetMinX(rect)
return rect.x
end
function cc.rectGetMaxY(rect)
return rect.y + rect.height
end
function cc.rectGetMidY(rect)
return rect.y + rect.height / 2.0
end
function cc.rectGetMinY(rect)
return rect.y
end
function cc.rectContainsPoint( rect, point )
local ret = false
if (point.x >= rect.x) and (point.x <= rect.x + rect.width) and
(point.y >= rect.y) and (point.y <= rect.y + rect.height) then
ret = true
end
return ret
end
function cc.rectIntersectsRect( rect1, rect2 )
local intersect = not ( rect1.x > rect2.x + rect2.width or
rect1.x + rect1.width < rect2.x or
rect1.y > rect2.y + rect2.height or
rect1.y + rect1.height < rect2.y )
return intersect
end
function cc.rectUnion( rect1, rect2 )
local rect = cc.rect(0, 0, 0, 0)
rect.x = math.min(rect1.x, rect2.x)
rect.y = math.min(rect1.y, rect2.y)
rect.width = math.max(rect1.x + rect1.width, rect2.x + rect2.width) - rect.x
rect.height = math.max(rect1.y + rect1.height, rect2.y + rect2.height) - rect.y
return rect
end
function cc.rectIntersection( rect1, rect2 )
local intersection = cc.rect(
math.max(rect1.x, rect2.x),
math.max(rect1.y, rect2.y),
0, 0)
intersection.width = math.min(rect1.x + rect1.width, rect2.x + rect2.width) - intersection.x
intersection.height = math.min(rect1.y + rect1.height, rect2.y + rect2.height) - intersection.y
return intersection
end
--Color3B
function cc.c3b( _r,_g,_b )
return { r = _r, g = _g, b = _b }
end
--Color4B
function cc.c4b( _r,_g,_b,_a )
return { r = _r, g = _g, b = _b, a = _a }
end
--Color4F
function cc.c4f( _r,_g,_b,_a )
return { r = _r, g = _g, b = _b, a = _a }
end
--Vertex2F
function cc.vertex2F(_x,_y)
return { x = _x, y = _y }
end
--Vertex3F
function cc.Vertex3F(_x,_y,_z)
return { x = _x, y = _y, z = _z }
end
--Tex2F
function cc.tex2F(_u,_v)
return { u = _u, v = _v }
end
--PointSprite
function cc.PointSprite(_pos,_color,_size)
return { pos = _pos, color = _color, size = _size }
end
--Quad2
function cc.Quad2(_tl,_tr,_bl,_br)
return { tl = _tl, tr = _tr, bl = _bl, br = _br }
end
--Quad3
function cc.Quad3(_tl, _tr, _bl, _br)
return { tl = _tl, tr = _tr, bl = _bl, br = _br }
end
--V2F_C4B_T2F
function cc.V2F_C4B_T2F(_vertices, _colors, _texCoords)
return { vertices = _vertices, colors = _colors, texCoords = _texCoords }
end
--V2F_C4F_T2F
function cc.V2F_C4F_T2F(_vertices, _colors, _texCoords)
return { vertices = _vertices, colors = _colors, texCoords = _texCoords }
end
--V3F_C4B_T2F
function cc.V3F_C4B_T2F(_vertices, _colors, _texCoords)
return { vertices = _vertices, colors = _colors, texCoords = _texCoords }
end
--V2F_C4B_T2F_Quad
function cc.V2F_C4B_T2F_Quad(_bl, _br, _tl, _tr)
return { bl = _bl, br = _br, tl = _tl, tr = _tr }
end
--V3F_C4B_T2F_Quad
function cc.V3F_C4B_T2F_Quad(_tl, _bl, _tr, _br)
return { tl = _tl, bl = _bl, tr = _tr, br = _br }
end
--V2F_C4F_T2F_Quad
function cc.V2F_C4F_T2F_Quad(_bl, _br, _tl, _tr)
return { bl = _bl, br = _br, tl = _tl, tr = _tr }
end
--T2F_Quad
function cc.T2F_Quad(_bl, _br, _tl, _tr)
return { bl = _bl, br = _br, tl = _tl, tr = _tr }
end
--AnimationFrameData
function cc.AnimationFrameData( _texCoords, _delay, _size)
return { texCoords = _texCoords, delay = _delay, size = _size }
end
--PhysicsMaterial
function cc.PhysicsMaterial(_density, _restitution, _friction)
return { density = _density, restitution = _restitution, friction = _friction }
end
local ConfigType =
{
NONE = 0,
COCOSTUDIO = 1,
}
function __onParseConfig(configType,jasonStr)
if configType == ConfigType.COCOSTUDIO then
ccs.TriggerMng.getInstance():parse(jasonStr)
end
end