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| public:t-vien-07-1:lab_5_materials [2007/02/09 03:19] – hannes | public:t-vien-07-1:lab_5_materials [2024/04/29 13:33] (current) – external edit 127.0.0.1 |
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| * Download and unzip the [[http://www.ru.is/kennarar/hannes/classes/ve2007/Lab5Assets.zip|Lab 5 Asset File]] into your working directory | * Download and unzip the [[http://www.ru.is/kennarar/hannes/classes/ve2007/Lab5Assets.zip|Lab 5 Asset File]] into your working directory |
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| In this exercise, you have to create a character that paces around while he is unaware of you. But as soon as you come within a certain range, he stops and looks at you. While the character is watching you, you can click on him to start a conversation with him. If you have entered a conversation, you can click on something else to stop talking. If at any point you leave the character, he goes back to his pacing around. These states and the events that trigger transitions are shown in this figure.\\ | In this exercise, you have to create a character that paces around while he is unaware of you. But as soon as you come within a certain range, he stops and looks at you. While the character is watching you, you can click on him to start a conversation with him. If you have entered a conversation, you can click on something else to stop talking. If at any point you leave the character, he goes back to his pacing around. These states and the events that trigger transitions are shown in this figure.\\ |
| {{public:t-vien-07-1:ve-lab5-states.jpg|}} | {{public:t-vien-07-1:ve-lab5-states.jpg|}} |
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| | You will need the following modules imported into your program:<code python> |
| | import direct.directbase.DirectStart |
| | from direct.showbase.DirectObject import DirectObject |
| | from pandac.PandaModules import * |
| | from direct.actor.Actor import Actor |
| | from direct.fsm import FSM |
| | from direct.interval.IntervalGlobal import * |
| | from direct.task.Task import Task |
| | from direct.gui.OnscreenText import OnscreenText |
| | from picker import Picker |
| | </code> |
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| - **Setting up:**\\ Create a **World** class derived from **DirectObject** like before and set up a camera at **(0,-70,2)** with FOV of **50** and a near clipping plane of **0.01**. Load and display the environment model called **environment** (it comes standard with Panda 3D, so you don't need any path information) and scale it down to **30%**. Add your camera movement code from [[Lab 2 Materials|Lab 2]]. Verify that you can now move around the landscape. | - **Setting up:**\\ Create a **World** class derived from **DirectObject** like before and set up a camera at **(0,-70,2)** with FOV of **50** and a near clipping plane of **0.01**. Load and display the environment model called **environment** (it comes standard with Panda 3D, so you don't need any path information) and scale it down to **30%**. Add your camera movement code from [[Lab 2 Materials|Lab 2]]. Verify that you can now move around the landscape. |
| </code> Now, whenever you click on your actor, an event with the name **'clicked_render/Eve'** occurs, which you can of course **accept** in your **Character** class. See if you can make your character respond to your clicking. | </code> Now, whenever you click on your actor, an event with the name **'clicked_render/Eve'** occurs, which you can of course **accept** in your **Character** class. See if you can make your character respond to your clicking. |
| - **Context sensitive messaging:**\\ Create a new state called **Conversing** and enter that state when you click on your character in the **Noticing** state. Make sure the click is only received if the character is actually in the **Noticing** state (hint: you'll need to use the **ignore** method as well as the **accept** method). Similarly, only in the **Conversing** state should you receive the **'clicked_None'** event (when user clicks on nothing) and that should send the character back to **Pacing**. As for what happens in the **Conversing** state, you can use **OnscreenText** to display a greeting while you are in this state (and remove it when you exit the state). Verify that the behavior of your character is following the original state diagram. | - **Context sensitive messaging:**\\ Create a new state called **Conversing** and enter that state when you click on your character in the **Noticing** state. Make sure the click is only received if the character is actually in the **Noticing** state (hint: you'll need to use the **ignore** method as well as the **accept** method). Similarly, only in the **Conversing** state should you receive the **'clicked_None'** event (when user clicks on nothing) and that should send the character back to **Pacing**. As for what happens in the **Conversing** state, you can use **OnscreenText** to display a greeting while you are in this state (and remove it when you exit the state). Verify that the behavior of your character is following the original state diagram. |
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