Coffee Machine scenario SECTION 3 Advanced Tutorial 2. Select the storage tank for the coffee. Use the Workspace or Ungroup to find the rectangular window and add a Percentage Fill (Vertical) animation to the coffee storage tank viewing window with an expression coffee_level and minimum of 0 and a maximum of 2000 . 3. Repeat for the other storage tanks with the appropriate points for the expressions. 4. Add an Edit Value (Analogue) animation to the button below the coffee tank with an expression coffee_level . 5. Repeat for each button using appropriate point for each level.
Now would be a good time to run the application by clicking the toolbar button "Run the project" (or Project Menu, Run) and test that you can open and close the machine, and add credit to the machine. 3-1-6 Scripts To extend the functionality we will add a Reset() subroutine for initializing, make the coffee liquid and the cup invisible and set a text such as "Insert coin" for the coffee machine display. This assumes the cup object, pouring coffee and main display objects are called cup, coffee and Text_2 respectively. Either adjust the script for your object names, or rename them in the Workspace to these values. 3-1-6-1 Add the required points 1, 2, 3… 1. Open the Point Editor. 2.
Add the points with details as listed in the table below. The Description column is optional as it only helps explain to you the function of the point. 3-1-6-2 Add the script 1, 2, 3… 1. Open the Workspace Editor . 2. Right click Project Script and add a new Project Script . 3. Set the Trigger Event of the Reset subroutine with the following script code to reset variables: credit = 0 selection = 0 ready = TRUE pressed = false selection_made = false main.coffee.visible(0) main.cup.visible(0) displaytext = "Insert Coin" main.Text_2.blink( black ) 4. On Main.pag add a Page Script with a Trigger Event of On Initialisation to execute every time the page is loaded with the following code:
26 Point name Point type Default Value Description (optional) pressed Boolean TRUE once first digit has been pressed ready Boolean Machine is ready to make a drink selection made _ Boolean TRUE when a selection has been made