/* OpenSceneGraph example, osghangglide. * * 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 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. */ #include #include #include #include #include #include #include #include #include #include #include "hat.h" #ifdef _MSC_VER #pragma warning( disable : 4244 ) #pragma warning( disable : 4305 ) #endif using namespace osg; #define sqr(x) ((x)*(x)) extern void getDatabaseCenterRadius( float dbcenter[3], float *dbradius ); static float dbcenter[3], dbradius; static struct _tree { int n; float x, y, z; float w, h; } trees[] = { { 0, -0.4769, -0.8972, -0.4011, 0.2000, 0.1200 }, { 1, -0.2543, -0.9117, -0.3873, 0.2000, 0.1200 }, { 2, -0.0424, -0.8538, -0.3728, 0.2000, 0.1200 }, { 3, 0.1590, -0.8827, -0.3594, 0.2000, 0.1200 }, { 4, -0.4981, -1.0853, -0.4016, 0.3500, 0.1200 }, { 5, -0.5405, -1.2590, -0.4050, 0.2000, 0.1200 }, { 6, -0.5723, -1.5339, -0.4152, 0.2000, 0.1200 }, { 7, -0.6252, -1.8667, -0.4280, 0.2000, 0.1200 }, { 8, -0.5617, -2.1851, -0.4309, 0.2000, 0.1200 }, { 9, -0.5087, -2.4166, -0.4215, 0.2000, 0.1200 }, { 10, -0.4345, -2.3443, -0.4214, 0.2000, 0.1200 }, { 11, -3.0308, -1.5484, -0.4876, 0.2000, 0.1200 }, { 12, -3.0202, -1.6497, -0.4963, 0.2000, 0.1200 }, { 13, -2.9355, -1.8378, -0.4969, 0.2000, 0.1200 }, { 14, -0.6040, -2.0259, -0.4300, 0.2000, 0.1200 }, { 15, -0.5442, -1.3442, -0.4080, 0.1000, 0.1200 }, { 16, -0.5639, -1.6885, -0.4201, 0.1000, 0.1200 }, { 17, 0.9246, 3.4835, 0.5898, 0.2500, 0.1000 }, { 18, 0.0787, 3.8687, 0.3329, 0.2500, 0.1200 }, { 19, 0.2885, 3.7130, 0.4047, 0.2500, 0.1200 }, { 20, 0.2033, 3.6228, 0.3704, 0.2500, 0.1200 }, { 21, -0.2098, 3.9015, 0.2327, 0.2500, 0.1200 }, { 22, -0.3738, 3.7376, 0.1722, 0.2500, 0.1200 }, { 23, -0.2557, 3.6064, 0.1989, 0.2500, 0.1200 }, { 24, 0.0590, 3.7294, 0.3210, 0.2500, 0.1200 }, { 25, -0.4721, 3.8851, 0.1525, 0.2500, 0.1200 }, { 26, 0.9639, 3.2048, 0.5868, 0.1200, 0.0800 }, { 27, 0.7082, -1.0409, -0.3221, 0.1000, 0.1000 }, { 28, -0.2426, -2.3442, -0.4150, 0.1000, 0.1380 }, { 29, -0.1770, -2.4179, -0.4095, 0.1000, 0.1580 }, { 30, -0.0852, -2.5327, -0.4056, 0.1000, 0.1130 }, { 31, -0.0131, -2.6065, -0.4031, 0.1000, 0.1150 }, { 32, 0.0787, -2.6638, -0.4012, 0.1000, 0.1510 }, { 33, 0.1049, -2.7622, -0.3964, 0.1000, 0.1270 }, { 34, 0.1770, -2.8687, -0.3953, 0.1000, 0.1100 }, { 35, 0.3213, -2.9507, -0.3974, 0.1000, 0.1190 }, { 36, 0.4065, -3.0163, -0.4014, 0.1000, 0.1120 }, { 37, 0.3738, -3.1802, -0.4025, 0.1000, 0.1860 }, { 38, 0.5508, -3.2048, -0.3966, 0.1000, 0.1490 }, { 39, 0.5836, -3.3031, -0.3900, 0.1000, 0.1670 }, { 40, -0.3082, -2.7212, -0.3933, 0.1000, 0.1840 }, { 41, -0.1967, -2.6474, -0.4017, 0.1000, 0.1600 }, { 42, -0.1180, -2.7458, -0.3980, 0.1000, 0.1250 }, { 43, -0.3344, -2.8359, -0.3964, 0.1000, 0.1430 }, { 44, -0.2492, -2.8933, -0.3838, 0.1000, 0.1890 }, { 45, -0.1246, -3.0491, -0.3768, 0.1000, 0.1830 }, { 46, 0.0000, -3.0818, -0.3696, 0.1000, 0.1370 }, { 47, -0.2295, -3.0409, -0.3706, 0.1000, 0.1660 }, { 48, -1.3245, 2.6638, 0.0733, 0.0500, 0.0500 }, { 49, 2.2425, -1.5491, -0.2821, 0.2300, 0.1200 }, { 50, 0.2164, -2.1311, -0.4000, 0.1000, 0.0690 }, { 51, 0.2885, -2.2130, -0.4000, 0.1000, 0.0790 }, { 52, 0.3606, -2.2786, -0.4000, 0.1000, 0.0565 }, { 53, 0.4328, -2.3442, -0.4000, 0.1000, 0.0575 }, { 54, 0.5246, -2.4343, -0.4086, 0.1000, 0.0755 }, { 55, 0.6360, -2.5245, -0.4079, 0.1000, 0.0635 }, { 56, 0.7541, -2.4261, -0.4007, 0.1000, 0.0550 }, { 57, 0.7934, -2.2786, -0.3944, 0.1000, 0.0595 }, { 58, 1.0295, -2.2868, -0.3837, 0.1000, 0.0560 }, { 59, 0.8459, -2.6474, -0.4051, 0.1000, 0.0930 }, { 60, 1.0426, -2.6884, -0.4001, 0.1000, 0.0745 }, { 61, 1.1475, -2.7458, -0.3883, 0.1000, 0.0835 }, { 62, -0.1967, -1.4180, -0.3988, 0.1000, 0.0920 }, { 63, -0.0131, -1.2704, -0.3856, 0.1000, 0.0690 }, { 64, 0.2098, -1.2049, -0.3664, 0.1000, 0.0790 }, { 65, 0.3410, -1.3196, -0.3652, 0.1000, 0.0565 }, { 66, 0.5705, -1.2704, -0.3467, 0.1000, 0.0575 }, { 67, 0.6360, -1.4344, -0.3532, 0.1000, 0.0755 }, { 68, 0.9246, -1.4180, -0.3329, 0.1000, 0.0635 }, { 69, 1.0623, -1.3360, -0.3183, 0.1000, 0.0550 }, { 70, 1.2393, -1.3934, -0.3103, 0.1000, 0.0595 }, { 71, 1.3639, -1.4753, -0.3079, 0.1000, 0.0560 }, { 72, 1.4819, -1.5983, -0.3210, 0.1000, 0.0930 }, { 73, 1.7835, -1.5819, -0.3065, 0.1000, 0.0745 }, { 74, 1.9343, -2.1065, -0.3307, 0.1000, 0.0835 }, { 75, 2.1245, -2.3196, -0.3314, 0.1000, 0.0920 }, { 76, 2.2556, -2.3032, -0.3230, 0.1000, 0.0800 }, { 77, 2.4196, -2.3688, -0.3165, 0.1000, 0.0625 }, { 78, 1.7835, -2.5327, -0.3543, 0.1000, 0.0715 }, { 79, 1.7180, -2.8933, -0.3742, 0.1000, 0.0945 }, { 80, 1.9343, -3.0409, -0.3727, 0.1000, 0.0915 }, { 81, 2.4524, -3.4671, -0.3900, 0.1000, 0.0685 }, { 82, 2.4786, -2.8851, -0.3538, 0.1000, 0.0830 }, { 83, 2.3343, -2.6228, -0.3420, 0.1000, 0.0830 }, { 84, 2.8130, -2.0737, -0.2706, 0.1000, 0.0890 }, { 85, 2.6360, -1.8278, -0.2661, 0.1000, 0.0975 }, { 86, 2.3958, -1.7130, -0.2774, 0.2000, 0.1555 }, { 87, 2.2688, -1.2868, -0.2646, 0.1000, 0.0835 }, { 88, 2.4196, -1.1147, -0.2486, 0.1000, 0.0770 }, { 89, 2.7802, -2.3933, -0.3017, 0.1000, 0.0655 }, { 90, 3.0163, -2.4179, -0.2905, 0.1000, 0.0725 }, { 91, 2.9310, -2.2540, -0.2798, 0.1000, 0.0910 }, { 92, 2.6622, -2.0983, -0.2823, 0.1000, 0.0680 }, { 93, 2.3147, -1.9753, -0.2973, 0.1000, 0.0620 }, { 94, 2.1573, -1.8770, -0.3013, 0.1000, 0.0525 }, { 95, 2.0196, -1.7868, -0.3044, 0.1000, 0.0970 }, { 96, 2.7802, -3.3031, -0.3900, 0.1000, 0.0510 }, { 97, 2.8589, -3.1720, -0.3900, 0.1000, 0.0755 }, { 98, 3.0163, -2.8114, -0.3383, 0.1000, 0.0835 }, { 99, 3.5081, -2.4179, -0.2558, 0.1000, 0.0770 }, { 100, 3.5277, -2.3196, -0.2366, 0.1000, 0.0765 }, { 101, 3.6654, -2.5819, -0.2566, 0.1000, 0.0805 }, { 102, 3.7179, -2.7622, -0.2706, 0.1000, 0.0980 }, { 103, 3.7769, -2.4671, -0.2339, 0.1000, 0.0640 }, { 104, 3.3441, -2.4671, -0.2693, 0.1000, 0.0940 }, { -1, 0, 0, 0, 0, 0 }, }; static Geometry *makeTree( _tree *tree, StateSet *dstate ) { float vv[][3] = { { -tree->w/2.0, 0.0, 0.0 }, { tree->w/2.0, 0.0, 0.0 }, { tree->w/2.0, 0.0, 2 * tree->h }, { -tree->w/2.0, 0.0, 2 * tree->h }, }; Vec3Array& v = *(new Vec3Array(4)); Vec2Array& t = *(new Vec2Array(4)); Vec4Array& l = *(new Vec4Array(1)); int i; l[0][0] = l[0][1] = l[0][2] = l[0][3] = 1; for( i = 0; i < 4; i++ ) { v[i][0] = vv[i][0]; v[i][1] = vv[i][1]; v[i][2] = vv[i][2]; } t[0][0] = 0.0; t[0][1] = 0.0; t[1][0] = 1.0; t[1][1] = 0.0; t[2][0] = 1.0; t[2][1] = 1.0; t[3][0] = 0.0; t[3][1] = 1.0; Geometry *geom = new Geometry; geom->setVertexArray( &v ); geom->setTexCoordArray( 0, &t ); geom->setColorArray( &l ); geom->setColorBinding( Geometry::BIND_OVERALL ); geom->addPrimitiveSet( new DrawArrays(PrimitiveSet::QUADS,0,4) ); geom->setStateSet( dstate ); return geom; } static float ttx, tty; static int ct( const void *a, const void *b ) { _tree *ta = (_tree *)a; _tree *tb = (_tree *)b; float da = sqrtf( sqr(ta->x - ttx) + sqr(ta->y - tty) ); float db = sqrtf( sqr(tb->x - ttx) + sqr(tb->y - tty) ); if( da < db ) return -1; else return 1; } Node *makeTrees( void ) { Group *group = new Group; int i; getDatabaseCenterRadius( dbcenter, &dbradius ); struct _tree *t; Texture2D *tex = new Texture2D; tex->setImage(osgDB::readImageFile("Images/tree0.rgba")); StateSet *dstate = new StateSet; dstate->setTextureAttributeAndModes(0, tex, StateAttribute::ON ); dstate->setTextureAttribute(0, new TexEnv ); dstate->setAttributeAndModes( new BlendFunc, StateAttribute::ON ); AlphaFunc* alphaFunc = new AlphaFunc; alphaFunc->setFunction(AlphaFunc::GEQUAL,0.05f); dstate->setAttributeAndModes( alphaFunc, StateAttribute::ON ); dstate->setMode( GL_LIGHTING, StateAttribute::OFF ); dstate->setRenderingHint( StateSet::TRANSPARENT_BIN ); int tt[] = { 15, 30, 45, 58, 72, 75, 93, 96, 105, -1 }; int *ttp = tt; i = 0; while( i < 105 ) { ttx = trees[i].x; tty = trees[i].y; qsort( &trees[i], 105 - i, sizeof( _tree ), ct ); i += *ttp; ttp++; } t = trees; i = 0; ttp = tt; while( *ttp != -1 ) { Billboard *bb = new Billboard; //int starti = i; for( ; i < (*ttp); i++ ) { t->x -= 0.3f; float h = Hat(t->x, t->y, t->z ); Vec3 pos( t->x, t->y, t->z-h ); Geometry *geom = makeTree( t, dstate ); bb->addDrawable( geom, pos ); t++; } group->addChild( bb ); ttp++; } return group; }