JNIEXPORT void JNICALL Java_com_jeffboody_GearsES1eclair_GearsES1eclair_NativeRotate(JNIEnv* env, jobject obj, jfloat dx, jfloat dy)
{
assert(env);
LOGD("debug dx=%f, dy=%f", (float) dx, (float) dy);
if(gears_renderer)
{
gears_renderer_rotate(gears_renderer, (float) dx, (float) dy);
}
}
static void axis_update(gears_renderer_t* self, int w, int h)
{
assert(self);
LOGD("debug w=%i, h=%i", w, h);
if((fabs(g_axis_x1) > 0.1f) || (fabs(g_axis_y1) > 0.1f))
{
float dx = 0.01f*g_axis_x1*w;
float dy = 0.01f*g_axis_y1*h;
gears_renderer_rotate(self, dx, dy);
}
if(fabs(g_axis_y2) > 0.1f)
{
float s = 0.05f*g_axis_y2*h;
gears_renderer_scale(gears_renderer, s);
}
}
static void touch_event(gears_renderer_t* self, loax_event_t* e)
{
assert(self);
assert(e);
LOGD("debug");
int type = e->type;
int count = e->event_touch.count;
if(type == LOAX_EVENT_TOUCHUP)
{
// do nothing
g_touch_state = TOUCH_STATE_INIT;
}
else if(count == 1)
{
if(g_touch_state == TOUCH_STATE_ROTATE)
{
float dx = e->event_touch.coord[0].x - g_touch_x1;
float dy = e->event_touch.coord[0].y - g_touch_y1;
gears_renderer_rotate(self, dx, dy);
g_touch_x1 = e->event_touch.coord[0].x;
g_touch_y1 = e->event_touch.coord[0].y;
}
else
{
g_touch_x1 = e->event_touch.coord[0].x;
g_touch_y1 = e->event_touch.coord[0].y;
g_touch_state = TOUCH_STATE_ROTATE;
}
}
else if(count == 2)
{
if(g_touch_state == TOUCH_STATE_ZOOM)
{
// some unknown device throws an exception here
float x1 = e->event_touch.coord[0].x;
float y1 = e->event_touch.coord[0].y;
float x2 = e->event_touch.coord[1].x;
float y2 = e->event_touch.coord[1].y;
float dx = fabsf(x2 - x1);
float dy = fabsf(y2 - y1);
float s = sqrtf((dx * dx) + (dy * dy));
gears_renderer_scale(gears_renderer, g_touch_s - s);
g_touch_x1 = x1;
g_touch_y1 = y1;
g_touch_x2 = x2;
g_touch_y2 = y2;
g_touch_s = s;
}
else
{
g_touch_x1 = e->event_touch.coord[0].x;
g_touch_y1 = e->event_touch.coord[0].y;
g_touch_x2 = e->event_touch.coord[1].x;
g_touch_y2 = e->event_touch.coord[1].y;
float dx = fabsf(g_touch_x2 - g_touch_x1);
float dy = fabsf(g_touch_y2 - g_touch_y1);
g_touch_s = sqrtf((dx * dx) + (dy * dy));
g_touch_state = TOUCH_STATE_ZOOM;
}
}
}