JNIEXPORT jfloatArray JNICALL JNIFUNCTION(arwQueryMarkerTransformation(JNIEnv *env, jobject obj, jint markerUID))
{
float trans[16];
if (arwQueryMarkerTransformation(markerUID, trans)) return glArrayToJava(env, trans, 16);
return NULL;
}
JNIEXPORT void JNICALL JNIFUNCTION_DEMO(demoDrawFrame(JNIEnv* env, jobject obj)) {
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Set the projection matrix to that provided by ARToolKit.
float proj[16];
arwGetProjectionMatrix(proj);
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(proj);
glMatrixMode(GL_MODELVIEW);
glStateCacheEnableDepthTest();
glStateCacheEnableLighting();
glEnable(GL_LIGHT0);
for (int i = 0; i < NUM_MODELS; i++) {
models[i].visible = arwQueryMarkerTransformation(models[i].patternID, models[i].transformationMatrix);
if (models[i].visible) {
glLoadMatrixf(models[i].transformationMatrix);
glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiffuse);
glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
glmDrawArrays(models[i].obj, 0);
}
}
}