on aspect ratio changed

[pmachines.git] / pmachines / items / box.py

diff --git a/pmachines/items/box.py b/pmachines/items/box.py
index cb8c5efcab81d495618a0e85bd348f149e314eb1..d37d8ab277c17bb4111272b44347735dbfc99119 100644 (file)
--- a/pmachines/items/box.py
+++ b/pmachines/items/box.py
@@ -1,23 +1,60 @@
-from panda3d.core import CullFaceAttrib
+from panda3d.core import CullFaceAttrib, Point3, NodePath, Point2, Texture
 from panda3d.bullet import BulletBoxShape, BulletRigidBodyNode
+from direct.gui.OnscreenText import OnscreenText
+
 
 class Box:
 
-    def __init__(self, world):
+    def __init__(self, world, plane_node, count, cb_inst):
         self._world = world
+        self._plane_node = plane_node
+        self._count = count
+        self._cb_inst = cb_inst
         shape = BulletBoxShape((.5, .5, .5))
         self.node = BulletRigidBodyNode('box')
         self.node.add_shape(shape)
         self._np = render.attach_new_node(self.node)
-        self._np.set_pos(0, 0, 1)
         world.attach_rigid_body(self.node)
         model = loader.load_model('assets/gltf/box/box.gltf')
         model.flatten_light()
         model.reparent_to(self._np)
         self._set_outline_model()
         self._start_drag_pos = None
-        self._start_rot_info = None
+        self._prev_rot_info = None
+        self._instantiated = False
         taskMgr.add(self.on_frame, 'on_frame')
+        self._repos()
+
+    def _repos(self):
+        p_from, p_to = Point3(), Point3()    # in camera coordinates
+        base.camLens.extrude((-1, 1), p_from, p_to)
+        p_from = render.get_relative_point(base.cam, p_from)  # global coords
+        p_to = render.get_relative_point(base.cam, p_to)  # global coords
+        for hit in self._world.ray_test_all(p_from, p_to).get_hits():
+            if hit.get_node() == self._plane_node:
+                pos = hit.get_hit_pos()
+        bounds = self._np.get_tight_bounds()
+        bounds = bounds[0] - self._np.get_pos(), bounds[1] - self._np.get_pos()
+        margin = .3, .2
+        dpos = bounds[1][0] + margin[0], 0, -bounds[1][2] - margin[1]
+        self._np.set_pos(pos + dpos)
+        new_node = NodePath('temp')
+        new_node.set_pos(pos + dpos + (bounds[1][0], bounds[1][1], -bounds[1][2]))
+        coord3d = new_node.get_pos(base.cam)
+        coord2d = Point2()
+        base.camLens.project(coord3d, coord2d)
+        coord_r2d = Point3(coord2d[0], 0, coord2d[1])
+        coord_a2d = base.aspect2d.get_relative_point(render2d, coord_r2d)
+        if not hasattr(self, '_txt'):
+            font = base.loader.load_font('assets/fonts/Hanken-Book.ttf')
+            font.clear()
+            font.set_pixels_per_unit(60)
+            font.set_minfilter(Texture.FTLinearMipmapLinear)
+            font.set_outline((0, 0, 0, 1), .8, .2)
+            self._txt = OnscreenText(
+                str(self._count), font=font, scale=0.06, fg=(.9, .9, .9, 1))
+        self._txt['pos'] = coord_a2d[0], coord_a2d[2]
+        new_node.remove_node()
 
     def _set_outline_model(self):
         self._outline_model = loader.load_model('assets/gltf/box/box.gltf')
@@ -42,29 +79,41 @@ class Box:
     def on_click_l(self, pos):
         self._start_drag_pos = pos, self._np.get_pos()
         loader.load_sfx('assets/audio/sfx/grab.ogg').play()
+        if not self._instantiated:
+            self._instantiated = True
+            self._txt.destroy()
+            self._count -= 1
+            if self._count:
+                box = Box(self._world, self._plane_node, self._count, self._cb_inst)
+                self._cb_inst(box)
 
     def on_click_r(self, pos):
-        self._start_rot_info = pos, self._np.get_pos(), self._np.get_r()
+        self._prev_rot_info = pos, self._np.get_pos(), self._np.get_r()
         loader.load_sfx('assets/audio/sfx/grab.ogg').play()
 
     def on_release(self):
-        if self._start_drag_pos or self._start_rot_info:
+        if self._start_drag_pos or self._prev_rot_info:
             loader.load_sfx('assets/audio/sfx/release.ogg').play()
-        self._start_drag_pos = self._start_rot_info = None
+        self._start_drag_pos = self._prev_rot_info = None
 
     def on_mouse_on(self):
         self._outline_model.show()
 
     def on_mouse_off(self):
-        if self._start_drag_pos or self._start_rot_info: return
+        if self._start_drag_pos or self._prev_rot_info: return
         self._outline_model.hide()
 
     def on_mouse_move(self, pos):
         if self._start_drag_pos:
             d_pos =  pos - self._start_drag_pos[0]
             self._np.set_pos(self._start_drag_pos[1] + d_pos)
-        if self._start_rot_info:
-            start_vec = self._start_rot_info[0] - self._start_rot_info[1]
-            curr_vec = pos - self._start_rot_info[1]
+        if self._prev_rot_info:
+            start_vec = self._prev_rot_info[0] - self._prev_rot_info[1]
+            curr_vec = pos - self._prev_rot_info[1]
             d_angle = curr_vec.signed_angle_deg(start_vec, (0, -1, 0))
-            self._np.set_r(self._start_rot_info[2] + d_angle)
+            self._np.set_r(self._prev_rot_info[2] + d_angle)
+            self._prev_rot_info = pos, self._np.get_pos(), self._np.get_r()
+
+    def on_aspect_ratio_changed(self):
+        if not self._instantiated:
+            self._repos()