NXP Rapid IoT prototyping kit port of Silabs "hungry gecko" smake-like game. https://os.mbed.com/teams/SiliconLabs/code/Hungry_gecko/

Dependencies:   lib_sx9500 GraphicsDisplay ColorMemLCD Large_fonts

See a detailed description of this project on Hackster.io . https://www.hackster.io/marcomerli/riotwear-snake-ca6dfc

Revision:
80:77210aa1ad9c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/asymmetricPart.cpp	Thu Dec 26 16:47:58 2019 +0000
@@ -0,0 +1,94 @@
+/***************************************************************************//**
+ * @file asymmetricPart.cpp
+ * @brief class for an asymmetric head object for gecko.h
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
+ * obligation to support this Software. Silicon Labs is providing the
+ * Software "AS IS", with no express or implied warranties of any kind,
+ * including, but not limited to, any implied warranties of merchantability
+ * or fitness for any particular purpose or warranties against infringement
+ * of any proprietary rights of a third party.
+ *
+ * Silicon Labs will not be liable for any consequential, incidental, or
+ * special damages, or any other relief, or for any claim by any third party,
+ * arising from your use of this Software.
+ *
+ ******************************************************************************/
+#include "asymmetricPart.h"
+
+asymmetricPart::asymmetricPart(): _px_map(NULL), _nPix(0){
+	_posAndDir.x = 0;
+	_posAndDir.y = 0;
+	_posAndDir.direction = UP;
+}
+
+asymmetricPart::asymmetricPart(uint8_t x, uint8_t y, Direction dir, const uint8_t *px_map, uint8_t nPix): _px_map(px_map), _nPix(nPix){
+	_posAndDir.x = x;
+	_posAndDir.y = y;
+	_posAndDir.direction = dir;
+}
+
+void asymmetricPart::init(uint8_t x, uint8_t y, Direction dir,  const uint8_t *px_map, uint8_t nPix){
+	_posAndDir.x = x;
+	_posAndDir.y = y;
+	_posAndDir.direction = dir;
+	_px_map = px_map;
+	_nPix = nPix;
+}
+
+void asymmetricPart::draw(ColorMemLCD &display, uint8_t color) const{
+
+#if(MULTI_UPDATE)
+		display.window( (_posAndDir.x)*STEPSIZE + BOARDERWIDTH/2 - 1, 
+	    	           (_posAndDir.y+TOPEDGE)*STEPSIZE + BOARDERWIDTH/2, 
+					   STEPSIZE+1, // LCD_DISP_WIDTH - BOARDERWIDTH/2,
+					   STEPSIZE );
+#endif
+	
+	switch (_posAndDir.direction){
+	case UP:
+		for (uint8_t i=0;i<_nPix;i++){
+				display.pixel(_posAndDir.x*STEPSIZE + BOARDERWIDTH/2 +  static_cast<uint8_t>(_px_map[i] & 0xF), \
+						(_posAndDir.y+TOPEDGE)*STEPSIZE + BOARDERWIDTH/2 + static_cast<uint8_t>( (_px_map[i] >> 4) & 0xF), color);
+			}
+		break;
+
+	case DOWN:
+		for (uint8_t i=0;i<_nPix;i++){
+			display.pixel(_posAndDir.x*STEPSIZE +  BOARDERWIDTH/2 + static_cast<uint8_t>(_px_map[i] & 0xF), \
+					(_posAndDir.y+TOPEDGE)*STEPSIZE + BOARDERWIDTH/2 + STEPSIZE-1-static_cast<uint8_t>( (_px_map[i] >> 4) & 0xF), color);
+		}
+		break;
+	case RIGHT:
+		for (uint8_t i=0;i<_nPix;i++){
+			display.pixel(_posAndDir.x*STEPSIZE + BOARDERWIDTH/2 + STEPSIZE-1-static_cast<uint8_t>((_px_map[i] >> 4) & 0xF), \
+					(_posAndDir.y+TOPEDGE)*STEPSIZE + BOARDERWIDTH/2 + static_cast<uint8_t>(_px_map[i] & 0xF), color);
+		}
+		break;
+	case LEFT:
+		for (uint8_t i=0; i<_nPix; i++){
+			display.pixel(_posAndDir.x*STEPSIZE +  BOARDERWIDTH/2 + static_cast<uint8_t>((_px_map[i] >> 4) & 0xF), \
+					(_posAndDir.y+TOPEDGE)*STEPSIZE + BOARDERWIDTH/2 + static_cast<uint8_t>(_px_map[i] & 0xF), color);
+		}
+		break;
+	}
+
+#if(MULTI_UPDATE)
+	display.update();
+#endif
+
+}
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