1 | /* |
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2 | * demo demo using libee |
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3 | * Copyright (c) 2003 Sam Hocevar <sam@zoy.org> |
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4 | * All Rights Reserved |
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5 | * |
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6 | * $Id: demo.c 100 2003-11-09 17:45:12Z sam $ |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; either version 2 of the License, or |
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11 | * (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 | */ |
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22 | |
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23 | #include <math.h> |
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24 | #include <string.h> |
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25 | |
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26 | #include "ee.h" |
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27 | |
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28 | static void display_menu(void); |
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29 | |
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30 | static void demo_dots(void); |
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31 | static void demo_lines(void); |
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32 | static void demo_circles(void); |
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33 | static void demo_radar(void); |
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34 | |
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35 | int clipping = 0; |
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36 | |
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37 | int main(int argc, char **argv) |
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38 | { |
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39 | void (*demo)(void) = NULL; |
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40 | int quit = 0; |
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41 | |
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42 | if(ee_init()) |
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43 | { |
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44 | return 1; |
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45 | } |
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46 | |
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47 | display_menu(); |
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48 | |
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49 | /* Go ! */ |
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50 | while(!quit) |
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51 | { |
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52 | char key = ee_get_key(); |
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53 | if(key && demo) |
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54 | { |
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55 | display_menu(); |
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56 | demo = NULL; |
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57 | } |
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58 | else if(key) |
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59 | { |
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60 | switch(key) |
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61 | { |
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62 | case 'q': |
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63 | demo = NULL; |
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64 | quit = 1; |
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65 | break; |
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66 | case '1': |
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67 | ee_clear(); |
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68 | demo = demo_dots; |
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69 | break; |
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70 | case '2': |
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71 | ee_clear(); |
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72 | demo = demo_lines; |
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73 | break; |
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74 | case '3': |
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75 | ee_clear(); |
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76 | demo = demo_circles; |
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77 | break; |
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78 | case '4': |
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79 | ee_clear(); |
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80 | demo = demo_radar; |
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81 | break; |
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82 | } |
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83 | } |
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84 | |
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85 | if(demo) |
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86 | demo(); |
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87 | } |
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88 | |
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89 | /* Clean up */ |
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90 | ee_end(); |
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91 | |
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92 | return 0; |
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93 | } |
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94 | |
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95 | static void display_menu(void) |
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96 | { |
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97 | int xo = ee_get_width() - 2; |
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98 | int yo = ee_get_height() - 2; |
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99 | |
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100 | ee_clear(); |
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101 | ee_color(EE_WHITE); |
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102 | ee_draw_line(xo, yo, 1, yo, '.'); |
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103 | ee_draw_line(1, yo, 1, 1, ':'); |
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104 | ee_draw_line(xo, 1, xo, yo, ':'); |
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105 | ee_draw_line(1, 1, xo, 1, '.'); |
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106 | |
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107 | ee_goto((xo - strlen("libee demo")) / 2, 3); |
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108 | ee_putstr("libee demo"); |
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109 | ee_goto((xo - strlen("============")) / 2, 4); |
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110 | ee_putstr("============"); |
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111 | |
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112 | ee_goto(4, 6); |
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113 | ee_putstr("1: dots demo"); |
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114 | ee_goto(4, 7); |
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115 | ee_putstr("2: lines demo"); |
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116 | ee_goto(4, 8); |
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117 | ee_putstr("3: circles demo"); |
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118 | ee_goto(4, 9); |
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119 | ee_putstr("4: radar demo"); |
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120 | |
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121 | ee_goto(4, yo - 2); |
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122 | ee_putstr("q: quit"); |
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123 | |
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124 | ee_refresh(); |
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125 | } |
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126 | |
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127 | static void demo_dots(void) |
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128 | { |
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129 | int i; |
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130 | |
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131 | for(i=1000; i--;) |
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132 | { |
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133 | /* Putpixel */ |
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134 | ee_color(ee_rand(1, 10)); |
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135 | ee_goto(ee_rand(0, ee_get_width() - 1), |
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136 | ee_rand(0, ee_get_height() - 1)); |
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137 | ee_putchar('#'); |
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138 | } |
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139 | ee_refresh(); |
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140 | } |
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141 | |
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142 | static void demo_lines(void) |
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143 | { |
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144 | /* Draw lines */ |
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145 | ee_color(ee_rand(1, 10)); |
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146 | if(clipping) |
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147 | { |
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148 | ee_draw_line(ee_rand(- ee_get_width(), 2 * ee_get_width()), |
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149 | ee_rand(- ee_get_height(), 2 * ee_get_height()), |
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150 | ee_rand(- ee_get_width(), 2 * ee_get_width()), |
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151 | ee_rand(- ee_get_height(), 2 * ee_get_height()), |
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152 | '#'); |
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153 | } |
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154 | else |
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155 | { |
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156 | ee_draw_line(ee_rand(0, ee_get_width()), |
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157 | ee_rand(0, ee_get_height()), |
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158 | ee_rand(0, ee_get_width()), |
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159 | ee_rand(0, ee_get_height()), |
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160 | '*'); |
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161 | } |
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162 | ee_refresh(); |
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163 | } |
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164 | |
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165 | static void demo_circles(void) |
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166 | { |
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167 | /* Draw circles */ |
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168 | if(clipping) |
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169 | { |
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170 | ee_color(ee_rand(1, 10)); |
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171 | ee_draw_circle(ee_rand(- ee_get_width(), 2 * ee_get_width()), |
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172 | ee_rand(- ee_get_height(), 2 * ee_get_height()), |
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173 | ee_rand(0, ee_get_width() + ee_get_height()) / 2, |
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174 | '#'); |
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175 | } |
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176 | else |
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177 | { |
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178 | int x = ee_rand(0, ee_get_width()); |
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179 | int y = ee_rand(0, ee_get_height()); |
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180 | int r = ee_rand(0, (ee_get_width() + ee_get_height()) / 2); |
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181 | |
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182 | if(x - r < 0 || x + r >= ee_get_width() || |
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183 | y - r < 0 || y + r >= ee_get_height()) |
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184 | { |
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185 | demo_circles(); |
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186 | return; |
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187 | } |
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188 | |
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189 | ee_color(ee_rand(1, 10)); |
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190 | ee_draw_circle(x, y, r, '*'); |
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191 | } |
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192 | |
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193 | ee_refresh(); |
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194 | } |
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195 | |
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196 | static void demo_radar(void) |
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197 | { |
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198 | static int i = 0; |
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199 | |
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200 | int xo = ee_get_width() / 2; |
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201 | int yo = ee_get_height() / 2; |
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202 | int l = ee_get_height() + ee_get_width(); |
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203 | |
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204 | i++; |
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205 | |
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206 | ee_color(EE_BLUE); |
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207 | ee_draw_line(xo,yo,xo+(sin(0.03*(i-30))*l*2),yo+(cos(0.03*(i-30))*l),'.'); |
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208 | ee_color(EE_CYAN); |
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209 | ee_draw_line(xo,yo,xo+(sin(0.03*(i-2))*l*2),yo+(cos(0.03*(i-2))*l),':'); |
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210 | ee_color(EE_WHITE); |
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211 | ee_draw_line(xo,yo,xo+(sin(0.03*(i-1))*l*2),yo+(cos(0.03*(i-1))*l),':'); |
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212 | ee_color(EE_WHITE); |
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213 | ee_draw_line(xo,yo,xo+(sin(0.03*i)*l*2),yo+(cos(0.03*i)*l),'#'); |
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214 | |
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215 | ee_refresh(); |
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216 | } |
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217 | |
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