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1 #include <stdlib.h>
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2 #include "SceneGraphRoot.h"
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3 #include "SGList.h"
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4
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5 static void
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6 earth_collision(SceneGraphPtr node, int screen_w, int screen_h,
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7 SceneGraphPtr tree)
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8 {
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9 }
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10
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11 static void
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12 moon_collision(SceneGraphPtr node, int screen_w, int screen_h,
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13 SceneGraphPtr tree)
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14 {
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15 }
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16
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17 static void
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18 moon_move(SceneGraphPtr node, int screen_w, int screen_h)
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19 {
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20 node->angle[0] += 3.0f;
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21 }
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22
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23
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24 static void
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25 earth_move(SceneGraphPtr node, int screen_w, int screen_h)
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26 {
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27 node->angle[1] += 1.0f;
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28 if (node->angle[1] > 360.0f) {
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29 node->angle[1] = 0.0f;
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30 }
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31
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32 node->xyz[0] += node->stack_xyz[0];
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33 if ((int)node->xyz[0] > screen_w || (int)node->xyz[0] < 0) {
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34 node->stack_xyz[0] = -node->stack_xyz[0];
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35 }
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36
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37 node->xyz[1] += node->stack_xyz[1];
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38 if ((int)node->xyz[1] > screen_h || (int)node->xyz[1] < 0) {
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39 node->stack_xyz[1] = -node->stack_xyz[1];
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40 }
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41 }
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42
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43 void
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44 universe_init(TaskManager *manager)
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45 {
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46 SceneGraphPtr earth;
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47 SceneGraphPtr moon;
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48
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49 sgroot->createFromXMLfile(manager, "xml_file/universe.xml");
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50
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51 // SGList.h にある SceneGraph ID から SceneGraph を生成する
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52 earth = sgroot->createSceneGraph(Earth);
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53
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54 // SceneGraph の move と collision を設定
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55 earth->set_move_collision(earth_move, earth_collision);
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56 earth->stack_xyz[0] = 3.0f;
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57 earth->stack_xyz[1] = 3.0f;
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58
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59 moon = sgroot->createSceneGraph(Moon);
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60 moon->set_move_collision(moon_move, moon_collision);
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61
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62 // SceneGraph 同士の親子関係を設定 (今回は 親 earth、子 moon)
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63 earth->addChild(moon);
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64
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65 // SceneGraphRoot に、使用する SceneGraph を設定する
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66 // このとき、ユーザーが記述した SceneGraph の root を渡す。
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67 sgroot->setSceneData(earth);
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68 }
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