tavli
view src/board.cc @ 5:e48b40a3c82a
foo
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Thu, 25 Jun 2015 20:43:34 +0300 |
| parents | b41ceead1708 |
| children | a0d30f6f20d4 |
line source
1 #include "opengl.h"
2 #include "board.h"
3 #include "meshgen.h"
6 Board::Board()
7 {
8 puck_obj = 0;
9 clear();
10 }
12 Board::~Board()
13 {
14 destroy();
15 }
17 bool Board::init()
18 {
19 if(!generate_textures()) {
20 return false;
21 }
22 if(!generate()) {
23 return false;
24 }
26 return true;
27 }
29 void Board::destroy()
30 {
31 for(size_t i=0; i<obj.size(); i++) {
32 delete obj[i];
33 }
34 obj.clear();
36 delete puck_obj;
37 puck_obj = 0;
38 }
40 void Board::clear()
41 {
42 memset(slots, 0, sizeof slots);
43 }
45 void Board::draw() const
46 {
47 for(size_t i=0; i<obj.size(); i++) {
48 obj[i]->draw();
49 }
50 }
52 #define HSIZE 1.0
53 #define VSIZE (2.0 * HSIZE)
54 #define BOT_THICKNESS (HSIZE * 0.01)
55 #define WALL_THICKNESS (HSIZE * 0.05)
56 #define WALL_HEIGHT (HSIZE * 0.1)
57 #define GAP (HSIZE * 0.025)
58 #define HINGE_RAD (GAP * 0.5)
59 #define HINGE_HEIGHT (VSIZE * 0.075)
61 bool Board::generate()
62 {
63 Mesh tmp;
64 Matrix4x4 xform;
66 obj.clear();
68 for(int i=0; i<2; i++) {
69 int sign = i * 2 - 1;
71 // generate bottom
72 Mesh *bottom = new Mesh;
73 gen_box(bottom, HSIZE, BOT_THICKNESS, HSIZE * 2.0);
74 xform.set_translation(Vector3(0, -BOT_THICKNESS / 2.0, 0));
75 bottom->apply_xform(xform);
77 Object *obottom = new Object;
78 obottom->set_mesh(bottom);
79 obottom->xform().set_translation(Vector3(sign * (HSIZE / 2.0 + WALL_THICKNESS + HINGE_RAD * 0.25), 0, 0));
80 obottom->set_texture(img_field.texture());
81 obj.push_back(obottom);
84 // generate the 4 sides
85 Mesh *sides = new Mesh;
86 gen_box(sides, WALL_THICKNESS, WALL_HEIGHT, VSIZE + WALL_THICKNESS * 2);
87 xform.set_translation(Vector3(-(HSIZE + WALL_THICKNESS) / 2.0,
88 WALL_HEIGHT / 2.0 - BOT_THICKNESS, 0));
89 sides->apply_xform(xform);
91 gen_box(&tmp, WALL_THICKNESS, WALL_HEIGHT, VSIZE + WALL_THICKNESS * 2);
92 xform.set_translation(Vector3((HSIZE + WALL_THICKNESS) / 2.0,
93 WALL_HEIGHT / 2.0 - BOT_THICKNESS, 0));
94 tmp.apply_xform(xform);
95 sides->append(tmp);
96 tmp.clear();
98 gen_box(&tmp, HSIZE, WALL_HEIGHT, WALL_THICKNESS);
99 xform.set_translation(Vector3(0, WALL_HEIGHT / 2.0 - BOT_THICKNESS,
100 (VSIZE + WALL_THICKNESS) / 2.0));
101 tmp.apply_xform(xform);
102 sides->append(tmp);
103 tmp.clear();
105 gen_box(&tmp, HSIZE, WALL_HEIGHT, WALL_THICKNESS);
106 xform.set_translation(Vector3(0, WALL_HEIGHT / 2.0 - BOT_THICKNESS,
107 -(VSIZE + WALL_THICKNESS) / 2.0));
108 tmp.apply_xform(xform);
109 sides->append(tmp);
110 tmp.clear();
112 Object *osides = new Object;
113 osides->set_mesh(sides);
114 osides->xform() = obottom->xform();
115 obj.push_back(osides);
117 }
120 // generate the hinges
121 Mesh *hinges = new Mesh;
122 gen_cylinder(hinges, HINGE_RAD, HINGE_HEIGHT, 10, 1, 1);
123 xform.reset_identity();
124 xform.translate(Vector3(0, WALL_HEIGHT - HINGE_RAD * 0.5, VSIZE / 4.0));
125 xform.rotate(Vector3(M_PI / 2.0, 0, 0));
126 hinges->apply_xform(xform);
128 gen_cylinder(&tmp, HINGE_RAD, HINGE_HEIGHT, 10, 1, 1);
129 xform.reset_identity();
130 xform.translate(Vector3(0, WALL_HEIGHT - HINGE_RAD * 0.5, -VSIZE / 4.0));
131 xform.rotate(Vector3(M_PI / 2.0, 0, 0));
132 tmp.apply_xform(xform);
134 hinges->append(tmp);
136 Object *ohinges = new Object;
137 ohinges->set_mesh(hinges);
138 obj.push_back(ohinges);
141 return true;
142 }
144 static float wood(float x, float y)
145 {
146 float u = x;
147 float v = y;
148 x += 1.0;
149 x *= 10.0;
150 y *= 20.0;
152 float len = sqrt(x * x + y * y) + turbulence2(u * 6.0, v * 12.0, 2) * 1.2 +
153 turbulence2(u * 0.5, v, 2) * 15.0;
154 float val = fmod(len, 1.0);
156 //val = val * 0.5 + 0.5;
157 return val < 0.0 ? 0.0 : (val > 1.0 ? 1.0 : val);
158 }
160 static bool spike(float x, float y)
161 {
162 x = fmod(x * 5.0, 1.0);
163 return y < (x < 0.5 ? 2.0 * x : 2.0 - 2.0 * x);
164 }
166 static bool circle(float x, float y, float rad)
167 {
168 x = fmod(x * 5.0, 1.0) - 0.5;
169 y = (y - 0.65) * 5.0;
170 float len = sqrt(x * x + y * y);
171 return len < rad;
172 }
174 static bool diamond(float x, float y)
175 {
176 return y >= (1.0 - (x < 0.5 ? 2.0 * x : 2.0 - 2.0 * x)) * 0.3333333 + 0.88;
177 }
179 static bool center_circle(float x, float y, float rad)
180 {
181 x = x - 0.5;
182 y = 1.0 - y;
183 return sqrt(x * x + y * y) < rad;
184 }
186 bool Board::generate_textures()
187 {
188 static const Vector3 wcol1 = Vector3(0.6, 0.4, 0.2);
189 static const Vector3 wcol2 = Vector3(0.53, 0.32, 0.1);//Vector3(0.38, 0.25, 0.08);
191 const int xsz = 512;
192 const int ysz = 1024;
194 img_field.create(xsz, ysz);
196 unsigned char *pptr = img_field.pixels;
197 for(int i=0; i<ysz; i++) {
198 float v = (float)i / (float)ysz;
200 for(int j=0; j<xsz; j++) {
201 float u = (float)j / (float)xsz;
203 int r = 0, g = 0, b = 0;
205 float wood_val = wood(u, v);
207 // pattern mask
208 float x = u;
209 float y = v < 0.5 ? v * 2.0 : 2.0 - v * 2.0;
210 bool inside = false;
212 inside |= (spike(x, y + 0.33333) && !spike(x, y + 0.4)) ||
213 (spike(x, y + 0.5) && !spike(x, y + 0.68));
214 inside |= (circle(x, y, 0.12) && !circle(x, y, 0.1)) || circle(x, y, 0.06);
215 inside |= (diamond(x, y) && !diamond(x, y - 0.015)) ||
216 (diamond(x, y - 0.023) && !diamond(x, y - 0.028));
217 inside |= center_circle(x, y, 0.03);
219 Vector3 wood_color = lerp(wcol1, wcol2, wood_val) * 0.9;
220 if(inside) {
221 wood_color = lerp(wcol1, wcol2, 1.0 - wood_val) * 2.0;
222 }
224 r = (int)(wood_color.x * 255.0);
225 g = (int)(wood_color.y * 255.0);
226 b = (int)(wood_color.z * 255.0);
228 pptr[0] = r > 255 ? 255 : r;
229 pptr[1] = g > 255 ? 255 : g;
230 pptr[2] = b > 255 ? 255 : b;
231 pptr += 3;
232 }
233 }
235 img_field.texture();
236 return true;
237 }