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annotate src/test.cc @ 6:2f872a179914

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first component test: - prs, xform, physics components with dependencies - topological sort of components to update them in the correct order - debug visualization component todo: remove draw() from components, doesn't make sense
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 14 Feb 2015 07:27:12 +0200
parents 4a1c9597f4d3
children af24cfbdf9b6
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@6 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@6 70 COCAST(CoPRS, obj->get_component("prs"))->pos = Vector3(5, 1, 0);
nuclear@6 71 objects.push_back(obj);
nuclear@6 72
nuclear@6 73 obj = new GObject;
nuclear@6 74 obj->add_component(new CoSphereVis);
nuclear@6 75 obj->add_component(new CoXForm);
nuclear@6 76 obj->add_component(new CoPRS);
nuclear@6 77 COCAST(CoPRS, obj->get_component("prs"))->pos = Vector3(-5, 1, 0);
nuclear@6 78 objects.push_back(obj);
nuclear@6 79
nuclear@0 80 return true;
nuclear@0 81 }
nuclear@0 82
nuclear@0 83 static void cleanup()
nuclear@0 84 {
nuclear@0 85 }
nuclear@0 86
nuclear@6 87 static void update()
nuclear@6 88 {
nuclear@6 89 static unsigned int prev_upd;
nuclear@6 90 unsigned int msec = glutGet(GLUT_ELAPSED_TIME);
nuclear@6 91 float dt = (float)(msec - prev_upd) / 1000.0f;
nuclear@6 92 prev_upd = msec;
nuclear@6 93
nuclear@6 94 for(size_t i=0; i<objects.size(); i++) {
nuclear@6 95 objects[i]->update(dt);
nuclear@6 96 }
nuclear@6 97 }
nuclear@6 98
nuclear@0 99 static void display()
nuclear@0 100 {
nuclear@6 101 update();
nuclear@6 102
nuclear@0 103 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@0 104
nuclear@6 105 glMatrixMode(GL_MODELVIEW);
nuclear@6 106 glLoadIdentity();
nuclear@6 107 glTranslatef(0, 0, -cam_dist);
nuclear@6 108 glRotatef(cam_phi, 1, 0, 0);
nuclear@6 109 glRotatef(cam_theta, 0, 1, 0);
nuclear@6 110
nuclear@6 111 float floor_col[] = {0.2, 0.8, 0.2, 1};
nuclear@6 112 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, floor_col);
nuclear@6 113
nuclear@6 114 glBegin(GL_QUADS);
nuclear@6 115 glNormal3f(0, 1, 0);
nuclear@6 116 glVertex3f(-10, 0, 10);
nuclear@6 117 glVertex3f(10, 0, 10);
nuclear@6 118 glVertex3f(10, 0, -10);
nuclear@6 119 glVertex3f(-10, 0, -10);
nuclear@6 120 glEnd();
nuclear@6 121
nuclear@6 122 for(size_t i=0; i<objects.size(); i++) {
nuclear@6 123 CoSphereVis *co = COCAST(CoSphereVis, objects[i]->get_component("spherevis"));
nuclear@6 124 if(co) {
nuclear@6 125 co->draw();
nuclear@6 126 }
nuclear@6 127 }
nuclear@6 128
nuclear@0 129 glutSwapBuffers();
nuclear@0 130 assert(glGetError() == GL_NO_ERROR);
nuclear@0 131 }
nuclear@0 132
nuclear@0 133 static void idle()
nuclear@0 134 {
nuclear@0 135 glutPostRedisplay();
nuclear@0 136 }
nuclear@0 137
nuclear@0 138 static void reshape(int x, int y)
nuclear@0 139 {
nuclear@0 140 glViewport(0, 0, x, y);
nuclear@0 141
nuclear@2 142 glMatrixMode(GL_PROJECTION);
nuclear@0 143 glLoadIdentity();
nuclear@0 144 gluPerspective(50.0, (float)x / (float)y, 0.5, 500.0);
nuclear@0 145 }
nuclear@0 146
nuclear@0 147 static void keyb(unsigned char key, int x, int y)
nuclear@0 148 {
nuclear@0 149 switch(key) {
nuclear@0 150 case 27:
nuclear@0 151 exit(0);
nuclear@0 152 }
nuclear@0 153 }
nuclear@0 154
nuclear@6 155 static bool bnstate[16];
nuclear@0 156 static int prev_x, prev_y;
nuclear@0 157
nuclear@0 158 static void mouse(int bn, int st, int x, int y)
nuclear@0 159 {
nuclear@6 160 bnstate[bn - GLUT_LEFT_BUTTON] = st == GLUT_DOWN;
nuclear@6 161 prev_x = x;
nuclear@6 162 prev_y = y;
nuclear@0 163 }
nuclear@0 164
nuclear@0 165 static void motion(int x, int y)
nuclear@0 166 {
nuclear@6 167 int dx = x - prev_x;
nuclear@6 168 int dy = y - prev_y;
nuclear@6 169 prev_x = x;
nuclear@6 170 prev_y = y;
nuclear@6 171
nuclear@6 172 if(bnstate[0]) {
nuclear@6 173 cam_theta += dx * 0.5;
nuclear@6 174 cam_phi += dy * 0.5;
nuclear@6 175
nuclear@6 176 if(cam_phi < -90) cam_phi = -90;
nuclear@6 177 if(cam_phi > 90) cam_phi = 90;
nuclear@6 178
nuclear@6 179 glutPostRedisplay();
nuclear@6 180 }
nuclear@6 181 if(bnstate[2]) {
nuclear@6 182 cam_dist += dy * 0.1;
nuclear@6 183
nuclear@6 184 if(cam_dist < 0.0) cam_dist = 0.0;
nuclear@6 185 }
nuclear@0 186 }