function init_asteroid_transform(asteroid) {
var ast_obj = asteroid.ast_obj;
var spawn_coord = _vec3_tmp;
spawn_coord[0] = 0;
spawn_coord[1] = 0;
spawn_coord[2] = -1000;
var ident_quat = m_quat.identity(_quat_tmp);
m_trans.set_translation_v(ast_obj, spawn_coord);
var ast_copy_obj = asteroid.ast_copy_obj;
if (ast_copy_obj)
m_trans.set_translation_v(ast_copy_obj, spawn_coord);
m_vec3.set(0, 0, 0, asteroid.velosity);
m_quat.identity(asteroid.angular_velosity);
asteroid.active = false;
asteroid.strength = ASTEROID_STRENGTH;
}
exports["set_eye_params"] = function(camobj, h_angle, v_angle) {
var render = camobj._render;
m_quat.identity(render.quat);
camera.rotate_v_local(camobj, Math.PI/2);
camera.rotate_h(camobj, h_angle);
camera.rotate_v_local(camobj, -v_angle);
transform.update_transform(camobj);
}
function damage_asteroid(asteroid, damage) {
var name = m_scs.get_object_name_hierarchy(asteroid)[0];
var dupli_name = m_scs.get_object_name_hierarchy(asteroid)[1];
var asteroid = get_asteroid_by_name(name);
if (asteroid && !asteroid.is_destroyed) {
asteroid.strength -= damage;
if (asteroid.strength < 0) {
m_vec3.set(0, 0, 0, asteroid.velosity);
m_quat.identity(asteroid.angular_velosity);
var ast_arm = asteroid.ast_arm;
if (ast_arm) {
m_anim.apply(ast_arm, dupli_name + "_disruption");
m_anim.play(ast_arm, compile_asteroid);
}
var ast_copy_mesh_obj = asteroid.ast_copy_mesh_obj;
if (ast_copy_mesh_obj) {
m_anim.apply(ast_copy_mesh_obj, "asteroid_fading");
m_anim.play(ast_copy_mesh_obj);
}
var lighting = _cockpit.lighting;
if (lighting) {
m_anim.apply(lighting, "asteroid_burst");
m_anim.play(lighting);
}
var emitter = asteroid.ast_emitter_obj;
if (emitter) {
var trans = m_trans.get_translation(asteroid.ast_obj, _vec3_tmp);
m_trans.set_translation_v(emitter, trans);
m_anim.apply(emitter, "explosion")
m_anim.play(emitter);
}
var speaker = asteroid.ast_speaker;
if (speaker) {
var trans = m_trans.get_translation(asteroid.ast_obj, _vec3_tmp);
m_trans.set_translation_v(speaker, trans);
m_sfx.play_def(speaker);
}
asteroid.is_destroyed = true;
}
}
}
/**
* Rotate camera to fix UP direction.
* Uses _vec3_tmp, _vec3_tmp_2, _vec3_tmp_3
*/
function correct_up(camobj, y_axis) {
var render = camobj._render;
var quat = render.quat;
var y_world = y_axis;
// local camera Y in world space
var y_cam_world = m_util.quat_to_dir(render.quat, m_util.AXIS_Y, _vec3_tmp)
m_vec3.normalize(y_cam_world, y_cam_world);
// handle extreme case (camera looks UP or DOWN)
if (Math.abs(m_vec3.dot(y_world, y_cam_world)) > 0.999999)
var rotation = m_quat.identity(_quat4_tmp);
else {
var x_cam_world_new = m_vec3.cross(y_world, y_cam_world, _vec3_tmp_2);
m_vec3.normalize(x_cam_world_new, x_cam_world_new);
if (render.move_style == m_cam.MS_TARGET_CONTROLS) {
if (render.target_cam_upside_down)
m_vec3.negate(x_cam_world_new, x_cam_world_new);
} else {
// Y coord of local camera Z axis in parent(!) space
var z_cam_world = m_util.quat_to_dir(render.quat, m_util.AXIS_Z, _vec3_tmp_3);
if (m_vec3.dot(z_cam_world, y_axis) > 0)
m_vec3.negate(x_cam_world_new, x_cam_world_new);
}
var x_cam_world = m_util.quat_to_dir(render.quat, m_util.AXIS_X, _vec3_tmp_3);
m_vec3.normalize(x_cam_world, x_cam_world);
var cosine = m_util.clamp(m_vec3.dot(x_cam_world, x_cam_world_new), -1, 1);
var angle = Math.acos(cosine);
if (cosine <= -0.999999)
var rotation = m_quat.setAxisAngle(y_cam_world, angle, _quat4_tmp);
else
var rotation = m_quat.rotationTo(x_cam_world, x_cam_world_new, _quat4_tmp);
m_quat.normalize(rotation, rotation);
}
m_quat.multiply(rotation, quat, quat);
m_cam.update_camera_upside_down(camobj);
}
function create_render(type) {
var render = {
// common properties
type: type,
data_id: 0,
scale: 0,
grid_id: [0, 0],
trans: new Float32Array(3),
quat: new Float32Array(4),
tsr: new Float32Array(8),
world_matrix: new Float32Array(16),
inv_world_matrix: new Float32Array(16),
pivot: new Float32Array(3),
move_style: 0,
trans_speed: 0,
dof_distance: 0,
dof_front: 0,
dof_rear: 0,
dof_power: 0,
dof_object: null,
underwater: false,
distance_min: 0,
distance_max: 0,
use_distance_limits: false,
horizontal_limits: null,
vertical_limits: null,
cameras: null,
glow_anim_settings: null,
// game/physics/lod properties
friction: 0,
elasticity: 0,
force_strength: 0,
lod_dist_max: 0,
lod_dist_min: 0,
lod_transition_ratio: 0,
physics_type: "",
use_collision_compound: false,
// rendering flags
shadow_cast: false,
shadow_receive: false,
shadow_cast_only: false,
reflexible: false,
reflexible_only: false,
reflective: false,
caustics: false,
wind_bending: false,
disable_fogging: false,
dynamic_geometry: false,
dynamic_grass: false,
do_not_cull: false,
hide: false,
last_lod: false,
selectable: false,
origin_selectable: false,
is_hair_particles: false,
is_visible: false,
// wind bending properties
wind_bending_angle: 0,
wind_bending_amp: 0,
wind_bending_freq: 0,
detail_bending_freq: 0,
detail_bending_amp: 0,
branch_bending_amp: 0,
main_bend_col: "",
detail_bend_col: null,
bend_center_only: false,
// billboarding properties
hair_billboard_type: "",
hair_billboard: false,
hair_billboard_spherical: false,
// animation properties
frame_factor: 0,
time: 0,
va_frame: 0,
va_frame_factor: 0,
max_bones: 0,
frames_blending: false,
vertex_anim: false,
is_skinning: false,
quats_before: null,
quats_after: null,
trans_before: null,
trans_after: null,
bone_pointers: null,
// bounding volumes properties
bb_local: null,
bcyl_local: null,
bcap_local: null,
bcon_local: null,
bb_world: null,
bs_local: null,
bs_world: null,
be_local: null,
be_world: null
}
// setting default values
render.scale = 1;
render.lod_dist_max = 10000;
m_quat.identity(render.quat);
m_tsr.identity(render.tsr);
m_mat4.identity(render.world_matrix);
m_mat4.identity(render.inv_world_matrix);
return render;
}