Differences

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--- public:t-vien-07-1:lab_2_materials [2007/01/19 02:26] – hannes
+++ public:t-vien-07-1:lab_2_materials [2024/04/29 13:33] (current) – external edit 127.0.0.1
@@ Line 4: / Line 4: @@
   * Make sure you can run the Panda 3D sample programs on your machine
+===== Useful Links =====
+  * [[http://www.ru.is/kennarar/hannes/useful/PQR2.3.html|Python Quick Reference (LOCAL)]]
+  * [[http://www.ru.is/kennarar/hannes/useful/Python-Docs-2.5|Complete Python Documentation (LOCAL)]] //This is the latest 2.5 release, but new 2.5 features are well marked//
+  * [[http://www.ru.is/kennarar/hannes/useful/PandaManual|Panda 3D Manual (LOCAL)]]
+  * [[http://www.ru.is/kennarar/hannes/useful/PandaReference|Panda 3D Reference(LOCAL)]]
+  * [[http://www.ru.is/kennarar/hannes/useful/BlenderManual/htmlI|Blender Manual (LOCAL)]]
+  * [[http://www.ru.is/kennarar/hannes/useful/BlenderManual/htmlII/p2.html|Blender Reference (LOCAL)]]
+  * [[http://www.ru.is/kennarar/hannes/share/chicken_export1.0.zip|Chicken 1.0 EGG Exporter for Blender 3D (LOCAL)]]
 ===== In-Class Excercises =====
 ==== Before You Start ====
-  * Download and unzip the Lab 2 Asset File into your working directory
+  * Download and unzip the [[http://www.ru.is/kennarar/hannes/classes/ve2007/Lab2Assets.zip|Lab 2 Asset File]] into your working directory
@@ Line 25: / Line 37: @@
-==== Making a Lighted Room in Panda 3D ====
+==== Making a Virtual Room in Panda 3D ====
+{{public:t-vien-07-1:ve-lab2-screenshot.jpg|}}
   - Create a program called myscene.py that moves the camera to the location (-0.5, -3.5, 0.5), changes its heading by -45 degrees and then loads the model "Models/television.egg", placing it at location (2,-2,0).  Scale the model down to 15% and rotate it such that you can see the front of the television screen. <code python>
@@ Line 78: / Line 99: @@
         if self.keystate['back'] is 1:
             base.camera.setPos(camera,0,-0.7*elapsed,0)
+        self.lasttime = task.time
         return task.cont
 </code><code python>
@@ Line 132: / Line 154: @@
     def create_lights(self):
         """ Create both the ambient light and spotlights for every ceiling light """
-</code>Fill in the code for **create_floor** and **create_ceiling** (see additional assets below) and test with the code for the tiny room above.  You should instantiate the Room from within the constructor of the **World** class.<code python>
+</code>Fill in the code for **create_floor** and **create_ceiling** (see additional assets below) and test with the data set for the tiny room above.  You should instantiate the Room from within the constructor of the **World** class.<code python>
 # USEFUL ASSETS:
 # "Models/Textures/wall_tanned_clear.png"
@@ Line 139: / Line 161: @@
 # "Models/Textures/ceiling_tanned_light.png"
 </code>
-  - Modify the **create_wall** method to pick a random texture for each panel for a greater variety (use the assets below) and finally pass in data into the Room's constructor for building a room with the following shape:
+  - Modify the **create_wall** method to pick a random texture for each panel for a greater variety (use the assets below) and finally pass in data into the Room's constructor for building a room with the following shape: \\ {{public:t-vien-07-1:scene_gridview.jpg|}} \\ <code python>
-{{public:t-vien-07-1:scene_gridview.jpg|}}<code python>
 # USEFUL ASSETS:
 # "Models/Textures/wall_tanned_clear.png"
@@ Line 146: / Line 167: @@
 # "Models/Textures/wall_tanned_window.png"
 # "Models/Textures/wall_tanned_vent.png"
+</code>
+  - Fill in the code for the **create_lights** method.  Create one ambient light with the color (0.4,0.4,0.4,1).  Create one spotlight with the color (0.6,0.6,1.0,1) and attenuation (0,0,0), facing down from the ceiling (starting at height 1.25). <code python>
+# HINT - Creating lights
+# Set up the global lighting for general illumination
+ambient_source = AmbientLight('ambient')
+ambient_source.setColor(Vec4(1,1,1,1))
+ambient = root.attachNewNode(ambient_source.upcastToPandaNode())
+root.setLight(ambient)
+# Set up a spotlight for localized illumination
+lens = PerspectiveLens()
+lens.setNearFar(0.1, 2.0)
+spot_source = Spotlight('spotlight')
+spot_source.setColor(Vec4(1,1,1,1))
+spot_source.setAttenuation(Vec3(0,0,0))
+## spot_source.showFrustum() # Uncomment for great debug information
+spot_source.setLens(lens)
+spot = root.attachNewNode(spot_source.upcastToLensNode())
+spot.setPos(Vec3(1,1,1))
+spot.setHpr(0,0,0)
+root.setLight(spot)
+</code>
+  - Modify the spotlight creation in the **create_lights** methods so that it creats a spotlight for each of the ceiling panels that have light fixtures in them.