Richard Ellingworth / Mbed 2 deprecated RobotRic

Version of Robotron arcade game using LPC1768, a Gameduino shield, a serial EEPROM (for high scores), two microswitch joysticks and two buttons plus a box to put it in. 20 levels of mayhem.

Dependencies:   25LCxxx_SPI CommonTypes Gameduino mbed

BlueMeanyObject.cpp@18:70190f956a24, 2013-06-17 (annotated)

Committer:
RichardE
Date:
Mon Jun 17 15:10:43 2013 +0000
Revision:
18:70190f956a24
Parent:
8:82d88f9381f3 
Improved response to button 1 when entering high scores (HighScoreEntry.cpp).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RichardE 8:82d88f9381f3 1 /*
RichardE 8:82d88f9381f3 2 * SOURCE FILE : BlueMeanyObject.cpp
RichardE 8:82d88f9381f3 3 *
RichardE 8:82d88f9381f3 4 * Represents the BlueMeany enemy object.
RichardE 8:82d88f9381f3 5 *
RichardE 8:82d88f9381f3 6 */
RichardE 8:82d88f9381f3 7
RichardE 8:82d88f9381f3 8 #include "BlueMeanyObject.h"
RichardE 8:82d88f9381f3 9 #include "MathFuncs.h"
RichardE 8:82d88f9381f3 10
RichardE 8:82d88f9381f3 11 /************************/
RichardE 8:82d88f9381f3 12 /* MOVE THE GAME OBJECT */
RichardE 8:82d88f9381f3 13 /************************/
RichardE 8:82d88f9381f3 14 void BlueMeanyObject::ProtectedMove( void ) {
RichardE 8:82d88f9381f3 15 // If being restricted horizontally then make horizontal velocity zero.
RichardE 8:82d88f9381f3 16 if( RestrictionFlags & ( LeftRestriction | RightRestriction ) ) {
RichardE 8:82d88f9381f3 17 hVelocity = 0;
RichardE 8:82d88f9381f3 18 }
RichardE 8:82d88f9381f3 19 // If being restricted vertically then make vertical velocity zero.
RichardE 8:82d88f9381f3 20 if( RestrictionFlags & ( UpRestriction | DownRestriction ) ) {
RichardE 8:82d88f9381f3 21 vVelocity = 0;
RichardE 8:82d88f9381f3 22 }
RichardE 8:82d88f9381f3 23 // Update coordinates by adding velocities.
RichardE 8:82d88f9381f3 24 Xco += hVelocity;
RichardE 8:82d88f9381f3 25 Yco += vVelocity;
RichardE 8:82d88f9381f3 26 // Accelerate towards chase object horizontally.
RichardE 8:82d88f9381f3 27 if( Xco > chaseObject->Xco ) {
RichardE 8:82d88f9381f3 28 hVelocity--;
RichardE 8:82d88f9381f3 29 }
RichardE 8:82d88f9381f3 30 else {
RichardE 8:82d88f9381f3 31 hVelocity++;
RichardE 8:82d88f9381f3 32 }
RichardE 8:82d88f9381f3 33 // Accelerate towards chase object vertically.
RichardE 8:82d88f9381f3 34 if( Yco > chaseObject->Yco ) {
RichardE 8:82d88f9381f3 35 vVelocity--;
RichardE 8:82d88f9381f3 36 }
RichardE 8:82d88f9381f3 37 else {
RichardE 8:82d88f9381f3 38 vVelocity++;
RichardE 8:82d88f9381f3 39 }
RichardE 8:82d88f9381f3 40 // Don't let speed get too fast.
RichardE 8:82d88f9381f3 41 hVelocity = MathFuncs::Constrain( hVelocity, -MaxBlueMeanyVelocity, MaxBlueMeanyVelocity );
RichardE 8:82d88f9381f3 42 vVelocity = MathFuncs::Constrain( vVelocity, -MaxBlueMeanyVelocity, MaxBlueMeanyVelocity );
RichardE 8:82d88f9381f3 43 }