1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/example/test.c	Fri Mar 01 09:46:53 2013 +0200
     1.3 @@ -0,0 +1,276 @@
     1.4 +#include <stdio.h>
     1.5 +#include <stdlib.h>
     1.6 +#include <assert.h>
     1.7 +
     1.8 +#ifndef __APPLE__
     1.9 +#include <GL/glut.h>
    1.10 +#else
    1.11 +#include <GLUT/glut.h>
    1.12 +#endif
    1.13 +
    1.14 +#include <vmath/vmath.h>
    1.15 +#include "anim.h"
    1.16 +
    1.17 +struct body_part {
    1.18 +	vec3_t pos, pivot, sz, color;
    1.19 +} parts[] = {
    1.20 +	/* position			pivot			size			color */
    1.21 +	{{0, 1, 0},			{0, -1, 0},		{1.8, 2.8, 0.8},{1, 0, 1}},		/* torso */
    1.22 +
    1.23 +	{{-0.5, -2.5, 0},	{0, 1, 0},		{0.8, 2, 0.8},	{1, 0, 0}},		/* left-upper leg */
    1.24 +	{{0.5, -2.5, 0},	{0, 1, 0},		{0.8, 2, 0.8},	{0, 1, 0}},		/* right-upper leg */
    1.25 +
    1.26 +	{{0, -2.1, 0},		{0, 1, 0},		{0.8, 2, 0.8},	{1, 0.5, 0.5}},	/* left-lower leg */
    1.27 +	{{0, -2.1, 0},		{0, 1, 0},		{0.8, 2, 0.8},	{0.5, 1, 0.5}},	/* right-lower leg */
    1.28 +
    1.29 +	{{0, 2.6, 0},		{0, -0.5, 0},	{1.2, 1.2, 1.2},{0, 1, 1}},	/* head */
    1.30 +
    1.31 +	{{-1.3, 0.4, 0},		{0, 1, 0},		{0.8, 2, 0.8},	{0, 0, 1}},	/* left-upper arm */
    1.32 +	{{1.3, 0.4, 0},		{0, 1, 0},		{0.8, 2, 0.8},	{1, 1, 0}},		/* right-upper arm */
    1.33 +
    1.34 +	{{0, -2.1, 0},		{0, 1, 0},		{0.8, 2, 0.8},	{0.5, 0.5, 1}},	/* left-lower arm */
    1.35 +	{{0, -2.1, 0},		{0, 1, 0},		{0.8, 2, 0.8},	{1, 1, 0.5}},	/* right-lower arm */
    1.36 +};
    1.37 +
    1.38 +enum {
    1.39 +	NODE_TORSO,
    1.40 +	NODE_LEFT_UPPER_LEG,
    1.41 +	NODE_RIGHT_UPPER_LEG,
    1.42 +	NODE_LEFT_LOWER_LEG,
    1.43 +	NODE_RIGHT_LOWER_LEG,
    1.44 +	NODE_HEAD,
    1.45 +	NODE_LEFT_UPPER_ARM,
    1.46 +	NODE_RIGHT_UPPER_ARM,
    1.47 +	NODE_LEFT_LOWER_ARM,
    1.48 +	NODE_RIGHT_LOWER_ARM,
    1.49 +
    1.50 +	NUM_NODES
    1.51 +};
    1.52 +
    1.53 +int init(void);
    1.54 +void disp(void);
    1.55 +void idle(void);
    1.56 +void reshape(int x, int y);
    1.57 +void keyb(unsigned char key, int x, int y);
    1.58 +void mouse(int bn, int state, int x, int y);
    1.59 +void motion(int x, int y);
    1.60 +
    1.61 +float cam_theta = 20, cam_phi = 20, cam_dist = 15;
    1.62 +struct anm_node *root;
    1.63 +
    1.64 +struct anm_node *nodes[NUM_NODES];
    1.65 +
    1.66 +int main(int argc, char **argv)
    1.67 +{
    1.68 +	glutInitWindowSize(800, 600);
    1.69 +	glutInit(&argc, argv);
    1.70 +	glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    1.71 +	glutCreateWindow("libanim example");
    1.72 +
    1.73 +	glutDisplayFunc(disp);
    1.74 +	glutIdleFunc(idle);
    1.75 +	glutReshapeFunc(reshape);
    1.76 +	glutKeyboardFunc(keyb);
    1.77 +	glutMouseFunc(mouse);
    1.78 +	glutMotionFunc(motion);
    1.79 +
    1.80 +	if(init() == -1) {
    1.81 +		return 1;
    1.82 +	}
    1.83 +	glutMainLoop();
    1.84 +	return 0;
    1.85 +}
    1.86 +
    1.87 +int init(void)
    1.88 +{
    1.89 +	int i;
    1.90 +
    1.91 +	glPointSize(3);
    1.92 +
    1.93 +	glEnable(GL_DEPTH_TEST);
    1.94 +	glEnable(GL_CULL_FACE);
    1.95 +	glEnable(GL_LIGHTING);
    1.96 +	glEnable(GL_LIGHT0);
    1.97 +
    1.98 +	root = nodes[0];
    1.99 +
   1.100 +	for(i=0; i<NUM_NODES; i++) {
   1.101 +		nodes[i] = anm_create_node();
   1.102 +
   1.103 +		anm_set_pivot(nodes[i], parts[i].pivot);
   1.104 +		anm_set_position(nodes[i], parts[i].pos, 0);
   1.105 +		anm_set_extrapolator(nodes[i], ANM_EXTRAP_REPEAT);
   1.106 +	}
   1.107 +
   1.108 +	anm_link_node(nodes[NODE_TORSO], nodes[NODE_HEAD]);
   1.109 +	anm_link_node(nodes[NODE_TORSO], nodes[NODE_LEFT_UPPER_LEG]);
   1.110 +	anm_link_node(nodes[NODE_TORSO], nodes[NODE_RIGHT_UPPER_LEG]);
   1.111 +	anm_link_node(nodes[NODE_TORSO], nodes[NODE_LEFT_UPPER_ARM]);
   1.112 +	anm_link_node(nodes[NODE_TORSO], nodes[NODE_RIGHT_UPPER_ARM]);
   1.113 +	anm_link_node(nodes[NODE_LEFT_UPPER_LEG], nodes[NODE_LEFT_LOWER_LEG]);
   1.114 +	anm_link_node(nodes[NODE_RIGHT_UPPER_LEG], nodes[NODE_RIGHT_LOWER_LEG]);
   1.115 +	anm_link_node(nodes[NODE_LEFT_UPPER_ARM], nodes[NODE_LEFT_LOWER_ARM]);
   1.116 +	anm_link_node(nodes[NODE_RIGHT_UPPER_ARM], nodes[NODE_RIGHT_LOWER_ARM]);
   1.117 +
   1.118 +	/* upper leg animation */
   1.119 +	anm_set_rotation(nodes[NODE_LEFT_UPPER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-15), 1, 0, 0), 0);
   1.120 +	anm_set_rotation(nodes[NODE_LEFT_UPPER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(45), 1, 0, 0), 1000);
   1.121 +	anm_set_rotation(nodes[NODE_LEFT_UPPER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-15), 1, 0, 0), 2000);
   1.122 +
   1.123 +	anm_set_rotation(nodes[NODE_RIGHT_UPPER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(45), 1, 0, 0), 0);
   1.124 +	anm_set_rotation(nodes[NODE_RIGHT_UPPER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-15), 1, 0, 0), 1000);
   1.125 +	anm_set_rotation(nodes[NODE_RIGHT_UPPER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(45), 1, 0, 0), 2000);
   1.126 +
   1.127 +	/* lower leg animation */
   1.128 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 0);
   1.129 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-90), 1, 0, 0), 500);
   1.130 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-10), 1, 0, 0), 1000);
   1.131 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 2000);
   1.132 +
   1.133 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-10), 1, 0, 0), 0);
   1.134 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 1000);
   1.135 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-90), 1, 0, 0), 1500);
   1.136 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_LEG], quat_rotate(quat_identity(), DEG_TO_RAD(-10), 1, 0, 0), 2000);
   1.137 +
   1.138 +	/* head animation */
   1.139 +	anm_set_rotation(nodes[NODE_HEAD], quat_rotate(quat_identity(), DEG_TO_RAD(-10), 0, 1, 0), 0);
   1.140 +	anm_set_rotation(nodes[NODE_HEAD], quat_rotate(quat_identity(), DEG_TO_RAD(10), 0, 1, 0), 1000);
   1.141 +	anm_set_rotation(nodes[NODE_HEAD], quat_rotate(quat_identity(), DEG_TO_RAD(-10), 0, 1, 0), 2000);
   1.142 +
   1.143 +	/* torso animation */
   1.144 +	anm_set_rotation(nodes[NODE_TORSO], quat_rotate(quat_identity(), DEG_TO_RAD(-8), 1, 0, 0), 0);
   1.145 +	anm_set_rotation(nodes[NODE_TORSO], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 500);
   1.146 +	anm_set_rotation(nodes[NODE_TORSO], quat_rotate(quat_identity(), DEG_TO_RAD(-8), 1, 0, 0), 1000);
   1.147 +	anm_set_rotation(nodes[NODE_TORSO], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 1500);
   1.148 +	anm_set_rotation(nodes[NODE_TORSO], quat_rotate(quat_identity(), DEG_TO_RAD(-8), 1, 0, 0), 2000);
   1.149 +
   1.150 +	/* upper arm animation */
   1.151 +	anm_set_rotation(nodes[NODE_LEFT_UPPER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(30), 1, 0, 0), 0);
   1.152 +	anm_set_rotation(nodes[NODE_LEFT_UPPER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(-25), 1, 0, 0), 1000);
   1.153 +	anm_set_rotation(nodes[NODE_LEFT_UPPER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(30), 1, 0, 0), 2000);
   1.154 +
   1.155 +	anm_set_rotation(nodes[NODE_RIGHT_UPPER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(-25), 1, 0, 0), 0);
   1.156 +	anm_set_rotation(nodes[NODE_RIGHT_UPPER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(30), 1, 0, 0), 1000);
   1.157 +	anm_set_rotation(nodes[NODE_RIGHT_UPPER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(-25), 1, 0, 0), 2000);
   1.158 +
   1.159 +	/* lower arm animation */
   1.160 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(40), 1, 0, 0), 0);
   1.161 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 1000);
   1.162 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 1500);
   1.163 +	anm_set_rotation(nodes[NODE_LEFT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(40), 1, 0, 0), 2000);
   1.164 +
   1.165 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 0);
   1.166 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 500);
   1.167 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(40), 1, 0, 0), 1000);
   1.168 +	anm_set_rotation(nodes[NODE_RIGHT_LOWER_ARM], quat_rotate(quat_identity(), DEG_TO_RAD(0), 1, 0, 0), 2000);
   1.169 +
   1.170 +	return 0;
   1.171 +}
   1.172 +
   1.173 +void disp(void)
   1.174 +{
   1.175 +	int i;
   1.176 +	float lpos[] = {-1, 1, 1.5, 0};
   1.177 +	unsigned int msec = glutGet(GLUT_ELAPSED_TIME);
   1.178 +
   1.179 +	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
   1.180 +
   1.181 +	glMatrixMode(GL_MODELVIEW);
   1.182 +	glLoadIdentity();
   1.183 +
   1.184 +	glLightfv(GL_LIGHT0, GL_POSITION, lpos);
   1.185 +
   1.186 +	glTranslatef(0, 0, -cam_dist);
   1.187 +	glRotatef(cam_phi, 1, 0, 0);
   1.188 +	glRotatef(cam_theta, 0, 1, 0);
   1.189 +
   1.190 +	for(i=0; i<NUM_NODES; i++) {
   1.191 +		float color[4] = {0, 0, 0, 1};
   1.192 +		mat4_t xform;
   1.193 +
   1.194 +		color[0] = parts[i].color.x;
   1.195 +		color[1] = parts[i].color.y;
   1.196 +		color[2] = parts[i].color.z;
   1.197 +
   1.198 +		glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
   1.199 +		glColor4fv(color);
   1.200 +
   1.201 +		anm_get_matrix(nodes[i], xform, msec);
   1.202 +
   1.203 +		glPushMatrix();
   1.204 +		glMultTransposeMatrixf((float*)xform);
   1.205 +
   1.206 +		glScalef(parts[i].sz.x, parts[i].sz.y, parts[i].sz.z);
   1.207 +		glutSolidCube(1.0);
   1.208 +		/*glutWireSphere(0.6, 16, 8);*/
   1.209 +
   1.210 +		glPopMatrix();
   1.211 +	}
   1.212 +
   1.213 +	glutSwapBuffers();
   1.214 +	assert(glGetError() == GL_NO_ERROR);
   1.215 +}
   1.216 +
   1.217 +void idle(void)
   1.218 +{
   1.219 +	glutPostRedisplay();
   1.220 +}
   1.221 +
   1.222 +void reshape(int x, int y)
   1.223 +{
   1.224 +	glViewport(0, 0, x, y);
   1.225 +
   1.226 +	glMatrixMode(GL_PROJECTION);
   1.227 +	glLoadIdentity();
   1.228 +	gluPerspective(45.0, (float)x / (float)y, 0.5, 500.0);
   1.229 +}
   1.230 +
   1.231 +void keyb(unsigned char key, int x, int y)
   1.232 +{
   1.233 +	switch(key) {
   1.234 +	case 27:
   1.235 +		exit(0);
   1.236 +	}
   1.237 +}
   1.238 +
   1.239 +int bnstate[64];
   1.240 +int prev_x, prev_y;
   1.241 +
   1.242 +void mouse(int bn, int state, int x, int y)
   1.243 +{
   1.244 +	int idx = bn - GLUT_LEFT_BUTTON;
   1.245 +	int down = state == GLUT_DOWN ? 1 : 0;
   1.246 +
   1.247 +	bnstate[idx] = down;
   1.248 +
   1.249 +	prev_x = x;
   1.250 +	prev_y = y;
   1.251 +}
   1.252 +
   1.253 +void motion(int x, int y)
   1.254 +{
   1.255 +	int dx = x - prev_x;
   1.256 +	int dy = y - prev_y;
   1.257 +	prev_x = x;
   1.258 +	prev_y = y;
   1.259 +
   1.260 +	if(bnstate[0]) {
   1.261 +		cam_theta += dx * 0.5;
   1.262 +		cam_phi += dy * 0.5;
   1.263 +
   1.264 +		if(cam_phi < -90) {
   1.265 +			cam_phi = -90;
   1.266 +		}
   1.267 +		if(cam_phi > 90) {
   1.268 +			cam_phi = 90;
   1.269 +		}
   1.270 +		glutPostRedisplay();
   1.271 +	}
   1.272 +	if(bnstate[2]) {
   1.273 +		cam_dist += dy * 0.1;
   1.274 +		if(cam_dist < 0.0) {
   1.275 +			cam_dist = 0.0;
   1.276 +		}
   1.277 +		glutPostRedisplay();
   1.278 +	}
   1.279 +}