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annotate src/test.cc @ 7:af24cfbdf9b6

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adding collision detection
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 14 Feb 2015 10:08:00 +0200
parents 2f872a179914
children 8cce82794f90
rev   line source
nuclear@0 1 #include <stdio.h>
nuclear@0 2 #include <stdlib.h>
nuclear@0 3 #include <assert.h>
nuclear@6 4 #include <vector>
nuclear@0 5
nuclear@0 6 #ifndef __APPLE__
nuclear@0 7 #include <GL/glut.h>
nuclear@0 8 #else
nuclear@0 9 #include <GLUT/glut.h>
nuclear@0 10 #endif
nuclear@0 11
nuclear@6 12 #include "gobj.h"
nuclear@6 13 #include "co_xform.h"
nuclear@6 14 #include "co_dbgvis.h"
nuclear@6 15 #include "sim.h"
nuclear@6 16
nuclear@0 17 static bool init();
nuclear@0 18 static void cleanup();
nuclear@0 19 static void display();
nuclear@0 20 static void idle();
nuclear@0 21 static void reshape(int x, int y);
nuclear@0 22 static void keyb(unsigned char key, int x, int y);
nuclear@0 23 static void mouse(int bn, int st, int x, int y);
nuclear@0 24 static void motion(int x, int y);
nuclear@0 25
nuclear@6 26 float cam_theta, cam_phi = 25, cam_dist = 8;
nuclear@6 27
nuclear@6 28 std::vector<GObject*> objects;
nuclear@6 29 SimWorld simworld;
nuclear@6 30
nuclear@0 31
nuclear@0 32 int main(int argc, char **argv)
nuclear@0 33 {
nuclear@0 34 glutInit(&argc, argv);
nuclear@0 35 glutInitWindowSize(800, 600);
nuclear@0 36 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
nuclear@0 37 glutCreateWindow("component system test");
nuclear@0 38
nuclear@0 39 glutDisplayFunc(display);
nuclear@7 40 glutIdleFunc(idle);
nuclear@0 41 glutReshapeFunc(reshape);
nuclear@0 42 glutKeyboardFunc(keyb);
nuclear@0 43 glutMouseFunc(mouse);
nuclear@0 44 glutMotionFunc(motion);
nuclear@0 45
nuclear@0 46 if(!init()) {
nuclear@0 47 return 1;
nuclear@0 48 }
nuclear@0 49 atexit(cleanup);
nuclear@0 50
nuclear@0 51 glutMainLoop();
nuclear@0 52 return 0;
nuclear@0 53 }
nuclear@0 54
nuclear@0 55 static bool init()
nuclear@0 56 {
nuclear@0 57 glEnable(GL_DEPTH_TEST);
nuclear@0 58 glEnable(GL_CULL_FACE);
nuclear@0 59
nuclear@6 60 glEnable(GL_LIGHTING);
nuclear@6 61 glEnable(GL_LIGHT0);
nuclear@6 62 float ldir[] = {-1, 1, 2, 0};
nuclear@6 63 glLightfv(GL_LIGHT0, GL_POSITION, ldir);
nuclear@6 64
nuclear@6 65 GObject *obj = new GObject;
nuclear@6 66 obj->add_component(new CoSphereVis);
nuclear@6 67 obj->add_component(new CoXForm);
nuclear@6 68 obj->add_component(new CoPRS);
nuclear@6 69 obj->add_component(new CoRigid);
nuclear@7 70 COCAST(CoPRS, obj->get_component("prs"))->pos = Vector3(5, 2, 0);
nuclear@6 71 objects.push_back(obj);
nuclear@7 72 simworld.add_object(obj);
nuclear@6 73
nuclear@6 74 obj = new GObject;
nuclear@6 75 obj->add_component(new CoSphereVis);
nuclear@6 76 obj->add_component(new CoXForm);
nuclear@6 77 obj->add_component(new CoPRS);
nuclear@6 78 COCAST(CoPRS, obj->get_component("prs"))->pos = Vector3(-5, 1, 0);
nuclear@6 79 objects.push_back(obj);
nuclear@6 80
nuclear@0 81 return true;
nuclear@0 82 }
nuclear@0 83
nuclear@0 84 static void cleanup()
nuclear@0 85 {
nuclear@0 86 }
nuclear@0 87
nuclear@6 88 static void update()
nuclear@6 89 {
nuclear@6 90 static unsigned int prev_upd;
nuclear@6 91 unsigned int msec = glutGet(GLUT_ELAPSED_TIME);
nuclear@6 92 float dt = (float)(msec - prev_upd) / 1000.0f;
nuclear@6 93 prev_upd = msec;
nuclear@6 94
nuclear@6 95 for(size_t i=0; i<objects.size(); i++) {
nuclear@6 96 objects[i]->update(dt);
nuclear@6 97 }
nuclear@6 98 }
nuclear@6 99
nuclear@0 100 static void display()
nuclear@0 101 {
nuclear@6 102 update();
nuclear@6 103
nuclear@0 104 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@0 105
nuclear@6 106 glMatrixMode(GL_MODELVIEW);
nuclear@6 107 glLoadIdentity();
nuclear@6 108 glTranslatef(0, 0, -cam_dist);
nuclear@6 109 glRotatef(cam_phi, 1, 0, 0);
nuclear@6 110 glRotatef(cam_theta, 0, 1, 0);
nuclear@6 111
nuclear@6 112 float floor_col[] = {0.2, 0.8, 0.2, 1};
nuclear@6 113 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, floor_col);
nuclear@6 114
nuclear@6 115 glBegin(GL_QUADS);
nuclear@6 116 glNormal3f(0, 1, 0);
nuclear@6 117 glVertex3f(-10, 0, 10);
nuclear@6 118 glVertex3f(10, 0, 10);
nuclear@6 119 glVertex3f(10, 0, -10);
nuclear@6 120 glVertex3f(-10, 0, -10);
nuclear@6 121 glEnd();
nuclear@6 122
nuclear@6 123 for(size_t i=0; i<objects.size(); i++) {
nuclear@6 124 CoSphereVis *co = COCAST(CoSphereVis, objects[i]->get_component("spherevis"));
nuclear@6 125 if(co) {
nuclear@6 126 co->draw();
nuclear@6 127 }
nuclear@6 128 }
nuclear@6 129
nuclear@0 130 glutSwapBuffers();
nuclear@0 131 assert(glGetError() == GL_NO_ERROR);
nuclear@0 132 }
nuclear@0 133
nuclear@0 134 static void idle()
nuclear@0 135 {
nuclear@0 136 glutPostRedisplay();
nuclear@0 137 }
nuclear@0 138
nuclear@0 139 static void reshape(int x, int y)
nuclear@0 140 {
nuclear@0 141 glViewport(0, 0, x, y);
nuclear@0 142
nuclear@2 143 glMatrixMode(GL_PROJECTION);
nuclear@0 144 glLoadIdentity();
nuclear@0 145 gluPerspective(50.0, (float)x / (float)y, 0.5, 500.0);
nuclear@0 146 }
nuclear@0 147
nuclear@0 148 static void keyb(unsigned char key, int x, int y)
nuclear@0 149 {
nuclear@0 150 switch(key) {
nuclear@0 151 case 27:
nuclear@0 152 exit(0);
nuclear@0 153 }
nuclear@0 154 }
nuclear@0 155
nuclear@6 156 static bool bnstate[16];
nuclear@0 157 static int prev_x, prev_y;
nuclear@0 158
nuclear@0 159 static void mouse(int bn, int st, int x, int y)
nuclear@0 160 {
nuclear@6 161 bnstate[bn - GLUT_LEFT_BUTTON] = st == GLUT_DOWN;
nuclear@6 162 prev_x = x;
nuclear@6 163 prev_y = y;
nuclear@0 164 }
nuclear@0 165
nuclear@0 166 static void motion(int x, int y)
nuclear@0 167 {
nuclear@6 168 int dx = x - prev_x;
nuclear@6 169 int dy = y - prev_y;
nuclear@6 170 prev_x = x;
nuclear@6 171 prev_y = y;
nuclear@6 172
nuclear@6 173 if(bnstate[0]) {
nuclear@6 174 cam_theta += dx * 0.5;
nuclear@6 175 cam_phi += dy * 0.5;
nuclear@6 176
nuclear@6 177 if(cam_phi < -90) cam_phi = -90;
nuclear@6 178 if(cam_phi > 90) cam_phi = 90;
nuclear@6 179
nuclear@6 180 glutPostRedisplay();
nuclear@6 181 }
nuclear@6 182 if(bnstate[2]) {
nuclear@6 183 cam_dist += dy * 0.1;
nuclear@6 184
nuclear@6 185 if(cam_dist < 0.0) cam_dist = 0.0;
nuclear@6 186 }
nuclear@0 187 }