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117 lines
3.3 KiB
117 lines
3.3 KiB
# From khairul169: https://github.com/khairul169/3rdperson-godot/blob/master/assets/scripts/tpscam.gd
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extends Spatial
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var cam_pitch = 0.0;
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var cam_yaw = 0.0;
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var cam_cpitch = 0.0;
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var cam_cyaw = 0.0;
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var cam_currentradius = 2.0;
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var cam_radius = 2.0;
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var cam_pos = Vector3();
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var cam_ray_result = {};
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var cam_smooth_movement = true;
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var cam_fov = 60.0;
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var cam_view_sensitivity = 0.3;
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var cam_smooth_lerp = 10;
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var cam_pitch_minmax = Vector2(89, -89);
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var is_enabled = false;
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var collision_exception = [];
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export(NodePath) var cam;
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export(NodePath) var pivot;
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func _ready():
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cam = get_node(cam);
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pivot = get_node(pivot);
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cam_fov = cam.get_fov();
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func set_enabled(enabled):
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if enabled:
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Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED);
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cam.make_current()
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else:
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Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE);
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set_process(enabled);
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is_enabled = enabled;
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func clear_exception():
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collision_exception.clear();
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func add_collision_exception(node):
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collision_exception.push_back(node);
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func _input(ie):
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if !is_enabled:
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return;
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if ie is InputEventMouseMotion:
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cam_pitch = max(min(cam_pitch+(ie.relative.y*cam_view_sensitivity),cam_pitch_minmax.x),cam_pitch_minmax.y);
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if cam_smooth_movement:
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cam_yaw = cam_yaw-(ie.relative.x*cam_view_sensitivity);
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else:
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cam_yaw = fmod(cam_yaw-(ie.relative.x*cam_view_sensitivity),360);
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cam_currentradius = cam_radius;
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cam_update();
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if ie is InputEventMouseButton:
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if ie.pressed:
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if ie.button_index == BUTTON_WHEEL_UP:
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cam_radius = max(min(cam_radius-0.2,4.0),1.0);
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elif ie.button_index == BUTTON_WHEEL_DOWN:
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cam_radius = max(min(cam_radius+0.2,4.0),1.0);
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# Toggle mouse capture:
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if Input.is_action_just_pressed("toggle_mouse_capture"):
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set_enabled(!is_enabled)
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func _process(delta):
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if !is_enabled:
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return;
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if !cam.is_current():
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cam.make_current();
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if cam.get_projection() == Camera.PROJECTION_PERSPECTIVE:
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cam.set_perspective(lerp(cam.get_fov(), cam_fov, cam_smooth_lerp*delta), cam.get_znear(), cam.get_zfar());
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if cam_smooth_movement:
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cam_cpitch = lerp(cam_cpitch, cam_pitch, 10*delta);
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cam_cyaw = lerp(cam_cyaw, cam_yaw, 10*delta);
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cam_currentradius = lerp(cam_currentradius, cam_radius, 5*delta);
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cam_update();
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func cam_update():
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cam_pos = pivot.get_global_transform().origin;
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if cam_smooth_movement:
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cam_pos.x += cam_currentradius * sin(deg2rad(cam_cyaw)) * cos(deg2rad(cam_cpitch));
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cam_pos.y += cam_currentradius * sin(deg2rad(cam_cpitch));
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cam_pos.z += cam_currentradius * cos(deg2rad(cam_cyaw)) * cos(deg2rad(cam_cpitch));
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else:
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cam_pos.x += cam_currentradius * sin(deg2rad(cam_yaw)) * cos(deg2rad(cam_pitch));
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cam_pos.y += cam_currentradius * sin(deg2rad(cam_pitch));
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cam_pos.z += cam_currentradius * cos(deg2rad(cam_yaw)) * cos(deg2rad(cam_pitch));
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var pos = Vector3();
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if cam_ray_result.size() != 0:
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var a = (cam_ray_result.position-pivot.get_global_transform().origin).normalized();
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var b = pivot.get_global_transform().origin.distance_to(cam_ray_result.position);
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pos = pivot.get_global_transform().origin+a*max(b-0.1, 0);
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else:
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pos = cam_pos;
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cam.look_at_from_position(pos, pivot.get_global_transform().origin, Vector3(0,1,0));
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func _physics_process(delta):
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if !is_enabled:
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return;
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var ds = get_world().get_direct_space_state();
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if ds != null:
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cam_ray_result = ds.intersect_ray(pivot.get_global_transform().origin, cam_pos, collision_exception);
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