 |
Attention | Topic was automatically imported from the old Question2Answer platform. |
 |
Asked By | Lightnet |
Tired to get part of pitch to work but the rotate is not working correct as I know little about how it work. Just trying out it but not sure how to get the math stuff work out.
Here the sample build. GitHub - Lightnet/gd3mechs at be95c65eacdcfa21daa84ab7e3f39530655f6194
TurretTarget.tscn < Scene test.
extends Spatial
var camera
var mouse_pos = Vector2()
var point
#var dir = Vector3()
var skeleton
var bonename
var boneid
#var base = Vector3()
var basepos = Vector3()
var pitchpos = Vector3()
var angle = 0
func _ready():
camera = get_node("/root/Node/Spatial/Camera")
skeleton = get_node("Armature/Skeleton")
set_process(true)
func _input(event):
if event is InputEventMouseMotion:
mouse_pos = event.position
func _process(delta):
# Called every frame. Delta is time since last frame.
# Update game logic here.
# Project mouse into a 3D ray
var ray_origin = camera.project_ray_origin(mouse_pos)
var ray_direction = camera.project_ray_normal(mouse_pos)
# Cast a ray
var from = ray_origin
var to = ray_origin + ray_direction * 1000.0
var space_state = get_world().get_direct_space_state()
var hit = space_state.intersect_ray(from, to)
if hit.size() != 0:
#point.transform.origin = hit.position
#dir = (hit.position - get_global_transform().origin).normalized()
#basepos = hit.position * -1 #default?
basepos = hit.position
#basepos.y = 0
#pitchpos = hit.position * -1
pitchpos = hit.position
#pitchpos.x = 0
setbaserotation(delta)
setpitchrotation(delta)
func setbaserotation(delta):
bonename = "Base"
boneid = skeleton.find_bone(bonename)
var chassis_transform = get_parent().get_global_transform()
var turret_transform = skeleton.get_bone_pose(boneid)
# vector for rotation axis of turret
var turret_up = chassis_transform.basis.y.normalized()
# plane trough turret
var p1 = turret_transform.origin
var p2 = p1 + turret_transform.basis.x
var p3 = p1 + turret_transform.basis.z
var plane = Plane(p1, p2, p3)
var look_at = plane.project(basepos)
if typeof(look_at) == TYPE_VECTOR3:
var x = (look_at - turret_transform.origin).normalized()
var y = turret_up.normalized()
var z = x.cross(y).normalized()
var quaternion_current = Quat(turret_transform.basis)
var dir = Basis(x, y, z)
dir = dir.rotated( Vector3(0,1,0), deg2rad(90))
var quaternion_new = quaternion_current.slerp(dir, delta*3.0)
var transb = Transform(quaternion_new, turret_transform.origin)
skeleton.set_bone_pose( boneid, transb )
func setpitchrotation(delta):
bonename = "turret"
boneid = skeleton.find_bone(bonename)
var chassis_transform = get_parent().get_global_transform()
var turret_transform = skeleton.get_bone_pose(boneid)
# vector for rotation axis of turret
var turret_up = chassis_transform.basis.x.normalized()
# plane trough turret
#var p1 = turret_transform.origin
#var p2 = p1 + turret_transform.basis.x
#var p3 = p1 + turret_transform.basis.z
var p1 = turret_transform.origin + turret_transform.basis.y
var p2 = turret_transform.origin
var p3 = turret_transform.origin + turret_transform.basis.z
var plane = Plane(p1, p2, p3)
var look_at = plane.project(pitchpos * -1)
if typeof(look_at) == TYPE_VECTOR3:
#var x = (look_at - turret_transform.origin).normalized()
#var y = turret_up.normalized()
#var z = x.cross(y).normalized()
var x = turret_up.normalized()
var y = (look_at - turret_transform.origin).normalized()
var z = x.cross(y).normalized()
var quaternion_current = Quat(turret_transform.basis)
var dir = Basis(x, y, z)
dir = dir.rotated( Vector3(1,0,0), deg2rad(90)) #rotate x
dir = dir.rotated( Vector3(0,1,0), deg2rad(180)) #rotate inverse
var quaternion_new = quaternion_current.slerp( dir , delta*3.0)
var transb = Transform(quaternion_new, turret_transform.origin)
skeleton.set_bone_pose( boneid, transb )
pass