From: Flavio Calva <f.calva@gmail.com>
Date: Sat, 8 Jan 2022 10:38:34 +0000 (+0100)
Subject: buttons
X-Git-Url: http://git.ya2.it/?p=pmachines.git;a=commitdiff_plain;h=36099535c6d9ee66aff5e952fe64fe7273c8eb88

buttons
---

diff --git a/pmachines/scene.py b/pmachines/scene.py
index dbc6282..490ec32 100644
--- a/pmachines/scene.py
+++ b/pmachines/scene.py
@@ -1,5 +1,8 @@
 from panda3d.core import AmbientLight, DirectionalLight, Point3
-from panda3d.bullet import BulletPlaneShape, BulletGhostNode# BulletRigidBodyNode
+from panda3d.bullet import BulletPlaneShape, BulletGhostNode
+from direct.gui.OnscreenImage import OnscreenImage
+from direct.gui.DirectGui import DirectButton
+from direct.gui.DirectGuiGlobals import FLAT, DISABLED, NORMAL
 from direct.showbase.DirectObject import DirectObject
 from pmachines.items.background import Background
 from pmachines.items.box import Box
@@ -11,6 +14,7 @@ class Scene(DirectObject):
         super().__init__()
         self._world = world
         self._set_camera()
+        self._set_gui()
         self._set_lights()
         self._set_input()
         self._set_mouse_plane()
@@ -22,6 +26,44 @@ class Scene(DirectObject):
         base.camera.set_pos(0, -20, 0)
         base.camera.look_at(0, 0, 0)
 
+    def _set_gui(self):
+        def load_img_btn(path, col):
+            img = OnscreenImage('assets/buttons/%s.png' % path)
+            img.set_transparency(True)
+            img.set_color(col)
+            img.detach_node()
+            return img
+        def load_images_btn(path):
+            colors = [
+                (.6, .6, .6, 1),  # ready
+                (1, 1, 1, 1), # press
+                (.8, .8, .8, 1), # rollover
+                (.4, .4, .4, .4)]  # disabled
+            return [load_img_btn(path, col) for col in colors]
+        abl, abr = base.a2dBottomLeft, base.a2dBottomRight
+        btn_info = [
+            ('home', self.on_home, DISABLED, abl),
+            ('information', self.on_information, DISABLED, abl),
+            ('right', self.on_play, NORMAL, abr),
+            ('next', self.on_next, DISABLED, abr),
+            ('previous', self.on_prev, DISABLED, abr),
+            ('rewind', self.on_rewind, DISABLED, abr)]
+        num_l = num_r = 0
+        for binfo in btn_info:
+            imgs = load_images_btn(binfo[0])
+            if binfo[3] == base.a2dBottomLeft:
+                sign, num = 1, num_l
+                num_l += 1
+            else:
+                sign, num = -1, num_r
+                num_r += 1
+            fcols = (.4, .4, .4, .14), (.3, .3, .3, .05)
+            btn = DirectButton(
+                image=imgs, scale=.05, pos=(sign * (.06 + .11 * num), 1, .06),
+                parent=binfo[3], command=binfo[1], state=binfo[2], relief=FLAT,
+                frameColor=fcols[0] if binfo[2] == NORMAL else fcols[1])
+            btn.set_transparency(True)
+
     def _set_directional_light(self, name, hpr, color):
         light = DirectionalLight(name)
         light_np = render.attach_new_node(light)
@@ -45,7 +87,6 @@ class Scene(DirectObject):
         self.accept('mouse1-up', self.on_release)
         self.accept('mouse3', self.on_click_r)
         self.accept('mouse3-up', self.on_release)
-        self.accept('p-up', self.on_play)
 
     def _set_mouse_plane(self):
         shape = BulletPlaneShape((0, -1, 0), 1)
@@ -99,3 +140,18 @@ class Scene(DirectObject):
 
     def on_play(self):
         [itm.play() for itm in self.items]
+
+    def on_next(self):
+        print('on_next')
+
+    def on_prev(self):
+        print('on_prev')
+
+    def on_rewind(self):
+        print('on_rewind')
+
+    def on_home(self):
+        print('on_home')
+
+    def on_information(self):
+        print('on_information')
diff --git a/prj.org b/prj.org
index a10e4f2..b4213b6 100644
--- a/prj.org
+++ b/prj.org
@@ -1,8 +1,13 @@
 * issues
 * todo
-** buttons
 ** mouse cursor
+** music and sfx
+** instructions
 ** main menu
+** configuration (physics debug)
+** rotation with vectors/quaternions (fixes some glitches)
+** implement the operations of the buttons
+** build pipeline
 ** magnet
 *  waiting
 ** version 0.0.yymmdd