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[BezierCurve] Add getDerivative(), move(), rotate() and scale().

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This commit is contained in:
vrld
2013-08-21 21:44:31 +02:00
parent aa53712278
commit 983496238f
4 changed files with 109 additions and 1 deletions
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src/modules/math/wrap_BezierCurve.cpp
+41
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@@ -40,6 +40,14 @@ int w_BezierCurve_getDegree(lua_State *L)
return 1;
}
int w_BezierCurve_getDerivative(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
BezierCurve *deriv = new BezierCurve(curve->getDerivative());
luax_newtype(L, "BezierCurve", MATH_BEZIER_CURVE_T, (void *)deriv);
return 1;
}
int w_BezierCurve_getControlPoint(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
@@ -106,6 +114,35 @@ int w_BezierCurve_insertControlPoint(lua_State *L)
return 0;
}
int w_BezierCurve_move(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
double dx = luaL_checknumber(L, 2);
double dy = luaL_checknumber(L, 3);
curve->translate(Vector(dx,dy));
return 0;
}
int w_BezierCurve_rotate(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
double phi = luaL_checknumber(L, 2);
double ox = luaL_optnumber(L, 3, 0);
double oy = luaL_optnumber(L, 4, 0);
curve->rotate(phi, Vector(ox,oy));
return 0;
}
int w_BezierCurve_scale(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
double s = luaL_checknumber(L, 2);
double ox = luaL_optnumber(L, 3, 0);
double oy = luaL_optnumber(L, 4, 0);
curve->scale(s, Vector(ox,oy));
return 0;
}
int w_BezierCurve_eval(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
@@ -148,9 +185,13 @@ int w_BezierCurve_render(lua_State *L)
static const luaL_Reg functions[] =
{
{"getDegree", w_BezierCurve_getDegree},
{"getDerivative", w_BezierCurve_getDerivative},
{"getControlPoint", w_BezierCurve_getControlPoint},
{"setControlPoint", w_BezierCurve_setControlPoint},
{"insertControlPoint", w_BezierCurve_insertControlPoint},
{"move", w_BezierCurve_move},
{"rotate", w_BezierCurve_rotate},
{"scale", w_BezierCurve_scale},
{"eval", w_BezierCurve_eval},
{"render", w_BezierCurve_render},
{ 0, 0 }