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Bit more work on uv unwrapping.

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This commit is contained in:
Relintai 2021-09-27 18:24:16 +02:00
parent 3a13c1e21b
commit 1260374274
1 changed files with 20 additions and 19 deletions
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37
game/addons/mesh_data_resource_editor/plugin.gd
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@ -327,6 +327,8 @@ class SMesh:
join_triangles(0) join_triangles(0)
var count : int = 0
func join_triangles(tindex): func join_triangles(tindex):
if tindex == -1: if tindex == -1:
return return
@ -347,45 +349,44 @@ class SMesh:
if !v1d: if !v1d:
processed_vertices[t.i1] = true processed_vertices[t.i1] = true
# var i1 : int = t.i2 # processed_calc_uvs[t.i1] = transform_uv(t.vns2, t.vns3, t.vns1, processed_calc_uvs[t.i2], processed_calc_uvs[t.i3])
# var i2 : int = t.i3
# var ifvert : int = t.i1
processed_calc_uvs[t.i1] = transform_uv(t.vns2, t.vns3, t.vns1, processed_calc_uvs[t.i2], processed_calc_uvs[t.i3])
if !v2d: if !v2d:
processed_vertices[t.i2] = true processed_vertices[t.i2] = true
# var i1 : int = t.i1
# var i2 : int = t.i3
# var ifvert : int = t.i2
processed_calc_uvs[t.i2] = transform_uv(t.vns1, t.vns3, t.vns2, processed_calc_uvs[t.i1], processed_calc_uvs[t.i3]) processed_calc_uvs[t.i2] = transform_uv(t.vns1, t.vns3, t.vns2, processed_calc_uvs[t.i1], processed_calc_uvs[t.i3])
if !v3d: if !v3d:
processed_vertices[t.i3] = true processed_vertices[t.i3] = true
# var i1 : int = t.i2 # processed_calc_uvs[t.i3] = transform_uv(t.vns1, t.vns2, t.vns3, processed_calc_uvs[t.i1], processed_calc_uvs[t.i2])
# var i2 : int = t.i3
# var ifvert : int = t.i1
processed_calc_uvs[t.i3] = transform_uv(t.vns1, t.vns2, t.vns3, processed_calc_uvs[t.i1], processed_calc_uvs[t.i2])
join_triangles(t.neighbour_v1_v2) join_triangles(t.neighbour_v1_v2)
join_triangles(t.neighbour_v2_v3) join_triangles(t.neighbour_v2_v3)
join_triangles(t.neighbour_v1_v3) join_triangles(t.neighbour_v1_v3)
func transform_uv(v1 : Vector2, v2 : Vector2, v3 : Vector2, vt1 : Vector2, vt2 : Vector2) -> Vector2: func transform_uv(v1 : Vector2, v2 : Vector2, v3 : Vector2, vt1 : Vector2, vt2 : Vector2) -> Vector2:
var a : float = (v2 - v1).angle_to(v3 - v1) if count == 3:
return Vector2()
var ret : Vector2 = (vt2 - vt1).normalized() * (v3 - v1).length() count += 1
var a : float = (v2 - v1).angle_to(v3 - v1)
var l : float = (v2 - v1).length()
var ret : Vector2 = (vt1 - vt2).normalized() * l
ret = ret.rotated(a) ret = ret.rotated(a)
return ret return ret
func det2d(p1 : Vector2, p2 : Vector2, p3 : Vector2) -> float:
return p1.x * (p2.y - p3.y) + p2.x * (p3.y - p1.y) + p3.x * (p1.y - p2.y)
func bound_doesnt_collid_check(p1 : Vector2, p2 : Vector2, p3 : Vector2, eps : float):
return det2d(p1, p2, p3) <= eps
func normalize_uvs(): func normalize_uvs():
var uv_xmin : float = processed_calc_uvs[0].x var uv_xmin : float = processed_calc_uvs[0].x
var uv_xmax : float = processed_calc_uvs[0].x var uv_xmax : float = processed_calc_uvs[0].x