From 6d58efd7a4e6522f1091bedc9a5d7db8efb9d1b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miloslav=20=C4=8C=C3=AD=C5=BE?= <tastyfish@seznam.cz>
Date: Sat, 8 Sep 2018 18:55:25 +0200
Subject: [PATCH] Adjust 2nd demo

---
 demo1.cpp |   4 +-
 demo2.cpp | 631 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 633 insertions(+), 2 deletions(-)
 create mode 100644 demo2.cpp

diff --git a/demo1.cpp b/demo1.cpp
index 6c07843..65619d3 100644
--- a/demo1.cpp
+++ b/demo1.cpp
@@ -702,8 +702,8 @@ int main()
   pokitto.setFrameRate(FPS);
   pokitto.display.setFont(fontTiny);
 
-uint32_t previousTime = 0;
-uint32_t dt;
+  uint32_t previousTime = 0;
+  uint32_t dt;
 
   while (pokitto.isRunning())
   {
diff --git a/demo2.cpp b/demo2.cpp
new file mode 100644
index 0000000..be9bc22
--- /dev/null
+++ b/demo2.cpp
@@ -0,0 +1,631 @@
+/**
+  WIP raycasting demo for Pokitto.
+
+  Don't forget to compile with -O3!
+
+  author: Miloslav "drummyfish" Ciz
+  license: CC0 1.0
+*/
+
+#include "general.hpp"
+
+#define LEVEL_X_RES 32
+#define LEVEL_Y_RES 16
+
+Player player;
+
+#define SPRITES 3
+#define SPRITE_MAX_DISTANCE 5 * UNITS_PER_SQUARE
+
+#define JUMP_SPEED 500
+
+Sprite sprites[SPRITES];
+
+const unsigned char level[] =
+{
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+};
+
+const unsigned char texture2[] =
+{  32, 32 // width, height
+  ,0x65,0x1d,0x01,0x1c,0x12,0x0a,0x01,0x13,0x14,0x6e,0x2e,0x0b,0x1c,0x1d
+  ,0x2e,0x1d,0x13,0x0b,0x13,0x65,0x1d,0x1d,0x13,0x66,0x6f,0x6e,0x65,0x6f
+  ,0x77,0x7f,0x6f,0x6f,0x1d,0x14,0x13,0x6e,0x6e,0x66,0x6f,0x77,0x77,0x6f
+  ,0x66,0x66,0x13,0x25,0x0a,0x01,0x6e,0x66,0x01,0x12,0x02,0x01,0x1b,0x6e
+  ,0x77,0x77,0x77,0x77,0x77,0x6f,0x6f,0x6e,0x1c,0x1d,0x1c,0x77,0x67,0x6f
+  ,0x6f,0x77,0x67,0x77,0x77,0x66,0x13,0x0a,0x14,0x77,0x66,0x6f,0x77,0x66
+  ,0x1b,0x13,0x66,0x77,0x6f,0x77,0x6f,0x6f,0x6f,0x26,0x6e,0x1d,0x25,0x14
+  ,0x13,0x6e,0x6f,0x6f,0x77,0x6f,0x77,0x77,0x77,0x1d,0x1d,0x01,0x25,0x67
+  ,0x7f,0x6f,0x6f,0x66,0x66,0x14,0x66,0x6f,0x7f,0x6f,0x77,0x6f,0x1d,0x25
+  ,0x1d,0x66,0x1d,0x65,0x14,0x2e,0x26,0x77,0x6d,0x67,0x6f,0x25,0x6f,0x5e
+  ,0x5d,0x0b,0x5d,0x6f,0x6f,0x26,0x1d,0x77,0x66,0x1c,0x13,0x6f,0x6f,0x6f
+  ,0x66,0x67,0x66,0x65,0x6e,0x1c,0x1b,0x0a,0x01,0x1d,0x65,0x1e,0x6f,0x6e
+  ,0x67,0x66,0x66,0x65,0x14,0x1c,0x25,0x65,0x6e,0x66,0x66,0x6e,0x66,0x1c
+  ,0x02,0x1d,0x77,0x6e,0x77,0x66,0x25,0x13,0x5c,0x1d,0x0a,0x14,0x0b,0x14
+  ,0x6e,0x65,0x1d,0x66,0x1d,0x66,0x1d,0x66,0x14,0x25,0x14,0x6e,0x66,0x25
+  ,0x66,0x5d,0x66,0x25,0x0a,0x6e,0x6f,0x6f,0x6e,0x1d,0x13,0x65,0x5c,0x01
+  ,0x0a,0x15,0x1d,0x0a,0x01,0x5d,0x6e,0x5c,0x25,0x1d,0x1e,0x26,0x1d,0x1b
+  ,0x14,0x25,0x25,0x1d,0x14,0x1d,0x14,0x13,0x01,0x25,0x6e,0x25,0x25,0x25
+  ,0x1d,0x1c,0x01,0x0a,0x14,0x14,0x5d,0x14,0x14,0x0a,0x1d,0x5d,0x1c,0x6e
+  ,0x1d,0x65,0x5d,0x1d,0x0a,0x01,0x14,0x1c,0x25,0x0a,0x01,0x12,0x1c,0x0b
+  ,0x01,0x1c,0x14,0x25,0x0b,0x1b,0x25,0x14,0x25,0x02,0x1d,0x25,0x1d,0x09
+  ,0x13,0x1c,0x1d,0x66,0x1d,0x1c,0x0b,0x14,0x0b,0x65,0x2d,0x09,0x0a,0x09
+  ,0x14,0x66,0x6f,0x66,0x66,0x1c,0x0a,0x01,0x0b,0x14,0x66,0x1c,0x1d,0x1c
+  ,0x66,0x66,0x65,0x6e,0x1c,0x09,0x1c,0x1d,0x14,0x1c,0x0b,0x01,0x1d,0x6e
+  ,0x77,0x66,0x1c,0x1c,0x6e,0x6f,0x6f,0x77,0x7f,0x77,0x5e,0x6e,0x6f,0x67
+  ,0x6f,0x6f,0x0a,0x0a,0x66,0x67,0x66,0x25,0x13,0x1c,0x24,0x14,0x25,0x1c
+  ,0x0b,0x1d,0x6e,0x77,0x7f,0x77,0x5e,0x1c,0x65,0x6f,0x7f,0x6e,0x6f,0x77
+  ,0x6f,0x67,0x6f,0x6f,0x66,0x25,0x14,0x6f,0x6f,0x77,0x6f,0x67,0x6e,0x13
+  ,0x0a,0x09,0x13,0x12,0x1d,0x66,0x6f,0x66,0x5e,0x6e,0x66,0x25,0x14,0x25
+  ,0x26,0x25,0x6f,0x1d,0x77,0x6f,0x66,0x6e,0x66,0x1c,0x12,0x6f,0x6f,0x67
+  ,0x77,0x1d,0x77,0x13,0x66,0x77,0x6f,0x6f,0x6f,0x77,0x6f,0x66,0x77,0x77
+  ,0x6f,0x6e,0x13,0x25,0x26,0x25,0x66,0x65,0x66,0x66,0x6e,0x66,0x6e,0x14
+  ,0x09,0x66,0x6f,0x6e,0x2f,0x6e,0x26,0x1c,0x6f,0x66,0x6f,0x7f,0x6f,0x7f
+  ,0x6f,0x6f,0x6e,0x6e,0x66,0x6f,0x13,0x13,0x1d,0x66,0x1d,0x25,0x66,0x65
+  ,0x6e,0x1d,0x1d,0x0a,0x14,0x6f,0x77,0x77,0x2e,0x25,0x1c,0x0a,0x65,0x6f
+  ,0x6f,0x6f,0x7f,0x6f,0x77,0x77,0x66,0x6f,0x6e,0x6e,0x25,0x14,0x01,0x0a
+  ,0x09,0x0a,0x0b,0x14,0x1d,0x0a,0x14,0x13,0x66,0x6f,0x6f,0x25,0x1c,0x5d
+  ,0x65,0x01,0x66,0x1e,0x6f,0x6f,0x6f,0x77,0x6f,0x6f,0x6e,0x6f,0x66,0x1d
+  ,0x1d,0x0a,0x66,0x6f,0x66,0x2e,0x6e,0x6e,0x14,0x13,0x12,0x14,0x6f,0x6f
+  ,0x6e,0x6e,0x25,0x0a,0x13,0x12,0x6e,0x6f,0x66,0x6f,0x66,0x65,0x66,0x6f
+  ,0x66,0x25,0x66,0x25,0x0a,0x01,0x6e,0x77,0x77,0x6f,0x6f,0x6e,0x6e,0x14
+  ,0x1d,0x6e,0x1b,0x25,0x1d,0x1c,0x1d,0x14,0x01,0x25,0x25,0x66,0x6e,0x6f
+  ,0x1d,0x6f,0x66,0x1d,0x1d,0x1d,0x6e,0x1d,0x0b,0x6e,0x6f,0x77,0x7f,0x6f
+  ,0x77,0x77,0x66,0x66,0x13,0x5d,0x13,0x0a,0x01,0x1c,0x13,0x0a,0x6e,0x09
+  ,0x1d,0x65,0x25,0x66,0x66,0x6e,0x65,0x25,0x65,0x6e,0x1d,0x65,0x13,0x65
+  ,0x6f,0x77,0x67,0x7f,0x6f,0x77,0x6f,0x6e,0x14,0x1c,0x1c,0x6e,0x77,0x6e
+  ,0x77,0x6f,0x25,0x0a,0x1c,0x1d,0x1d,0x66,0x1d,0x6e,0x15,0x26,0x25,0x5e
+  ,0x25,0x13,0x1d,0x77,0x77,0x66,0x66,0x6e,0x6f,0x77,0x7f,0x6e,0x12,0x13
+  ,0x66,0x77,0x6f,0x77,0x6f,0x77,0x26,0x6f,0x0b,0x25,0x1c,0x25,0x25,0x25
+  ,0x66,0x1d,0x1b,0x25,0x0a,0x1d,0x6e,0x67,0x67,0x6f,0x66,0x1d,0x65,0x6e
+  ,0x67,0x6f,0x6e,0x13,0x77,0x7f,0x67,0x77,0x77,0x77,0x6f,0x6e,0x5d,0x13
+  ,0x14,0x1d,0x1c,0x1d,0x1d,0x14,0x1d,0x0a,0x09,0x1c,0x66,0x77,0x66,0x67
+  ,0x6e,0x1c,0x65,0x66,0x66,0x6d,0x1c,0x09,0x6e,0x67,0x6f,0x7f,0x6f,0x77
+  ,0x6f,0x6e,0x66,0x0a,0x01,0x13,0x1d,0x14,0x65,0x14,0x02,0x01,0x1d,0x1c
+  ,0x13,0x66,0x2e,0x66,0x77,0x6e,0x1e,0x25,0x25,0x6e,0x0a,0x13,0x6e,0x67
+  ,0x26,0x67,0x6f,0x77,0x67,0x6f,0x1d,0x6e,0x14,0x0a,0x01,0x13,0x01,0x25
+  ,0x66,0x77,0x66,0x65,0x1c,0x0b,0x66,0x25,0x66,0x66,0x25,0x6e,0x66,0x1d
+  ,0x14,0x0a,0x1d,0x66,0x66,0x66,0x6f,0x6e,0x6f,0x6f,0x5d,0x1d,0x0a,0x25
+  ,0x26,0x6f,0x6f,0x6f,0x7f,0x6f,0x6f,0x6f,0x77,0x0a,0x09,0x1d,0x6f,0x6e
+  ,0x15,0x25,0x1c,0x1d,0x1d,0x13,0x25,0x66,0x1c,0x6e,0x66,0x26,0x66,0x66
+  ,0x25,0x1c,0x0a,0x66,0x6f,0x7f,0x6f,0x6f,0x6f,0x66,0x6f,0x77,0x6e,0x66
+  ,0x0a,0x1b,0x26,0x1d,0x5e,0x1d,0x65,0x13,0x0a,0x1d,0x66,0x6e,0x25,0x6e
+  ,0x1d,0x1d,0x6e,0x25,0x13,0x1d,0x14,0x5e,0x77,0x27,0x7f,0x77,0x7f,0x67
+  ,0x66,0x67,0x1d,0x1d,0x13,0x09,0x76,0x66,0x24,0x1c,0x1b,0x13,0x13,0x1d
+  ,0x25,0x25,0x5e,0x1d,0x6e,0x25,0x1c,0x25,0x66,0x1d,0x09,0x1d,0x77,0x6f
+  ,0x66,0x6f,0x66,0x66,0x66,0x6e,0x65,0x66,0x65,0x1c,0x1d,0x1d,0x65,0x14
+  ,0x1c,0x25,0x0a,0x0a,0x0a,0x25,0x1d,0x66,0x14,0x25,0x66,0x6e,0x1d,0x25
+  ,0x09,0x1c,0x66,0x77,0x6f,0x66,0x7f,0x77,0x1d,0x6e,0x1c,0x1d,0x1d,0x0a
+  ,0x25,0x66,0x1d,0x25,0x13,0x0a,0x1d,0x14,0x1e,0x13,0x1d,0x14,0x65,0x66
+  ,0x66,0x25,0x1d,0x14,0x0a,0x14,0x15,0x65,0x7f,0x77,0x66,0x25,0x1d,0x1d
+  ,0x1d,0x6e,0x1c,0x14,0x13,0x65,0x1d,0x1c,0x0a,0x0a,0x65,0x1d,0x25,0x0a
+  ,0x1c,0x1d,0x1c,0x25,0x1d,0x1c,0x14,0x01,0x1b,0x0a,0x1d,0x65,0x6f,0x1d
+  ,0x66,0x65,0x6e,0x66,0x1d,0x14,0x0a,0x0a,0x1b,0x12,0x1c,0x0a,0x14,0x6e
+  ,0x66,0x25
+};
+
+const unsigned char texture3[] =
+{  32, 32 // width, height
+  ,0xb6,0x3d,0x33,0x33,0x3e,0x33,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x29,0x29
+  ,0x2a,0x29,0x10,0x10,0x10,0x49,0x58,0x99,0x50,0x50,0x10,0x4b,0x54,0x54
+  ,0x55,0x55,0x4a,0x49,0x29,0x3d,0x3d,0x7c,0x3d,0x33,0x34,0x3d,0x33,0x33
+  ,0x33,0x20,0x20,0x29,0x10,0x20,0x10,0x50,0x10,0x49,0x10,0x99,0x51,0x51
+  ,0x33,0x10,0x53,0x66,0x67,0x15,0x54,0x4b,0x7f,0x33,0x7f,0x3d,0x3e,0x3d
+  ,0x33,0x3d,0x29,0x29,0x2a,0x20,0x20,0x2a,0x10,0x20,0x10,0x51,0x50,0x50
+  ,0x58,0x51,0x51,0x51,0x33,0x33,0x10,0x55,0x5e,0x67,0x26,0x66,0x29,0x7f
+  ,0x3e,0x3d,0x3d,0x33,0x3d,0x33,0x29,0x10,0x10,0x20,0x33,0x10,0x10,0x2a
+  ,0x58,0x59,0x50,0x10,0x51,0x51,0x10,0x51,0x52,0x37,0x37,0x10,0x10,0x5d
+  ,0x53,0x55,0x6c,0x3e,0x3d,0x33,0x33,0x3d,0x33,0x29,0x10,0x2a,0x20,0x20
+  ,0x29,0x20,0x10,0x10,0x58,0x10,0x10,0x10,0x58,0x49,0x51,0x99,0x49,0x37
+  ,0x37,0x33,0x33,0x10,0x10,0x49,0x7f,0x7f,0x33,0x3d,0x3d,0x7f,0x33,0x3e
+  ,0x29,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x20,0x20,0x50,0x51,0x10,0x58,0x51
+  ,0x51,0x99,0x49,0x00,0x33,0x10,0x10,0x10,0x10,0x10,0x3d,0x7f,0x3d,0x33
+  ,0x3d,0x3d,0x33,0x2a,0x2a,0x20,0x29,0x29,0x29,0x10,0x20,0x19,0x10,0x19
+  ,0x51,0x50,0x58,0x51,0x49,0x99,0x00,0x00,0x10,0x10,0x33,0x33,0x33,0x10
+  ,0x3d,0x7f,0x7f,0x33,0x3e,0x33,0x33,0x33,0x29,0x20,0x33,0x2a,0x20,0x58
+  ,0x58,0x19,0x19,0x51,0x10,0x51,0x59,0x51,0x51,0x51,0x00,0x10,0x10,0x00
+  ,0x00,0x10,0x10,0x10,0x3d,0xb6,0x2a,0x3e,0x33,0x3d,0x33,0x3d,0x2a,0x10
+  ,0x20,0x2a,0x10,0x58,0x58,0x19,0x50,0x19,0x58,0x10,0x58,0x99,0x51,0x49
+  ,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x3d,0x2a,0x6c,0x3d,0x3e,0x33
+  ,0x33,0x29,0x33,0x29,0x10,0x29,0x20,0x69,0x58,0x10,0x19,0x10,0x99,0x10
+  ,0x58,0x99,0x49,0x99,0x51,0x00,0x00,0x00,0x10,0x10,0x10,0x53,0xb6,0x3d
+  ,0x6c,0x33,0x33,0x33,0x3d,0x29,0x20,0x33,0x20,0x20,0x29,0x20,0x51,0x51
+  ,0x51,0x50,0x99,0x58,0x99,0x49,0x99,0x49,0x00,0x00,0x00,0x10,0x10,0x00
+  ,0x00,0x53,0x29,0x3e,0x7f,0x29,0x33,0x2a,0x33,0x29,0x29,0x33,0x20,0x29
+  ,0x10,0x58,0x10,0x49,0x51,0x58,0x99,0x49,0x49,0x51,0x51,0x00,0x00,0x00
+  ,0x00,0x00,0x00,0x00,0x53,0x33,0x29,0x33,0x7e,0x33,0xb6,0x2a,0x33,0x29
+  ,0x20,0x10,0x29,0x20,0x10,0x58,0x59,0x10,0x50,0x99,0x49,0x49,0x49,0x49
+  ,0x51,0x9a,0x4b,0x53,0x53,0x4a,0x4a,0x15,0x37,0x37,0x2d,0x7c,0x3e,0x3d
+  ,0x7f,0x29,0x2a,0x10,0x29,0x10,0x10,0x20,0x29,0x58,0x51,0x51,0x99,0x51
+  ,0x49,0x49,0x99,0x10,0x49,0x49,0x4a,0x4b,0x53,0x56,0x56,0x33,0x37,0x37
+  ,0x6c,0x33,0x3d,0x3d,0x3d,0x7f,0x20,0x10,0x29,0x10,0x10,0x99,0x10,0x58
+  ,0x51,0x49,0x49,0x49,0x49,0x58,0x49,0x51,0x4a,0x4b,0x4b,0x54,0x66,0x67
+  ,0x67,0x33,0x10,0x10,0xb6,0x3d,0x33,0x7f,0x29,0x3d,0x33,0x33,0x29,0x29
+  ,0xac,0x58,0x10,0x49,0x49,0x49,0x49,0x49,0x49,0x50,0x59,0x51,0x51,0x51
+  ,0x54,0x15,0x66,0x5e,0x33,0x10,0x56,0x54,0xb6,0x3d,0x33,0x33,0x3e,0x33
+  ,0x29,0x33,0x33,0x33,0x10,0x10,0x10,0x51,0x49,0x49,0x49,0x49,0x49,0x49
+  ,0x58,0x50,0x50,0x49,0x4b,0x54,0x54,0x55,0x55,0x55,0x4a,0x49,0x29,0x3d
+  ,0x3d,0x7c,0x7f,0x6c,0x2a,0x29,0x10,0x10,0x10,0x19,0x20,0x10,0x99,0x51
+  ,0x51,0x49,0x49,0x49,0x10,0x51,0x51,0x51,0x52,0x53,0x66,0x67,0x67,0x15
+  ,0x54,0x4b,0x29,0x33,0x7f,0x3d,0x6c,0x29,0x33,0x20,0x29,0x10,0x20,0x20
+  ,0x99,0x10,0x99,0x51,0x58,0x99,0x49,0x49,0x49,0x51,0x51,0x4b,0x4b,0x53
+  ,0x55,0x5e,0x5e,0x67,0x26,0x66,0x29,0x7f,0x3e,0x3d,0x29,0x29,0x33,0x2a
+  ,0x2a,0x20,0x33,0x20,0x61,0x20,0x58,0x10,0x10,0x99,0x99,0x49,0x49,0x10
+  ,0x51,0x52,0x4a,0x4b,0x53,0x54,0x54,0x5d,0x53,0x55,0x6c,0x7f,0x6c,0x29
+  ,0x33,0x3d,0x2a,0x20,0x29,0x2a,0x10,0x2a,0x20,0x20,0x58,0x10,0x10,0x58
+  ,0x99,0x51,0x51,0x49,0x99,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x54,0x54
+  ,0xb6,0xb6,0x33,0x3d,0x3e,0x3e,0x2a,0x33,0x20,0x2a,0x20,0x33,0x2a,0x58
+  ,0x58,0x50,0x10,0x58,0x10,0x10,0x58,0x99,0x00,0x99,0x00,0x00,0x00,0x00
+  ,0x33,0x10,0x00,0x49,0xb6,0x29,0x3f,0x33,0x33,0x33,0x3d,0x33,0x20,0x2a
+  ,0x33,0x2a,0x29,0x58,0x99,0x10,0x50,0x10,0x10,0x10,0x10,0x99,0x51,0x00
+  ,0x51,0x00,0x10,0x10,0x33,0x33,0x10,0x00,0x3d,0x6c,0x3d,0x33,0x3e,0x33
+  ,0x33,0x2a,0x2a,0x2a,0x33,0x29,0x10,0x58,0x58,0x10,0x10,0x10,0x51,0x10
+  ,0x50,0x99,0x51,0x51,0x00,0x00,0x00,0x10,0x10,0x37,0x37,0x10,0x7f,0xb6
+  ,0x33,0x3d,0x33,0x3f,0x2a,0x33,0x2a,0x33,0x29,0x10,0x10,0x29,0x10,0x33
+  ,0x10,0x50,0x49,0x10,0x51,0x51,0x51,0x51,0x51,0x00,0x00,0x00,0x00,0x33
+  ,0x37,0x33,0x3d,0x2a,0x3d,0x3d,0x3e,0x33,0x33,0x2a,0x2a,0x33,0x33,0x10
+  ,0x2a,0x20,0x10,0x10,0x10,0x50,0x49,0x58,0x51,0x51,0x58,0x99,0x00,0x00
+  ,0x00,0x00,0x00,0x10,0x33,0x33,0x7f,0x3d,0x33,0x7f,0x3d,0x3d,0x33,0x3d
+  ,0x20,0x29,0x20,0x33,0x2a,0x10,0x10,0x2a,0x10,0x10,0x10,0x58,0x99,0x51
+  ,0x59,0x99,0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x33,0x29,0x3e,0x3d,0x3d
+  ,0x7c,0x3e,0x2a,0x3d,0x2c,0x2a,0x20,0x33,0x29,0x20,0x10,0x2a,0x10,0x10
+  ,0x49,0x10,0x99,0x49,0x51,0x51,0x49,0x00,0x10,0x10,0x10,0x10,0x53,0x14
+  ,0x29,0x33,0x7e,0x33,0x3d,0x3d,0x33,0x33,0x29,0x20,0x20,0x33,0x20,0x20
+  ,0x20,0x20,0x10,0x51,0x50,0x10,0x99,0x49,0x49,0x51,0x9a,0x4b,0x53,0x53
+  ,0x4a,0x15,0x56,0x54,0x2d,0x7c,0x3e,0x3d,0x3d,0x7e,0x3d,0x3d,0x2a,0x33
+  ,0x10,0x29,0x2a,0x29,0x10,0x20,0x10,0x58,0x58,0x58,0x99,0x51,0x10,0x49
+  ,0x49,0x4a,0x4b,0x53,0x56,0x54,0x4b,0x54,0x6c,0x33,0x3d,0x3d,0x3d,0x33
+  ,0x3d,0x33,0x29,0x33,0x20,0x20,0x20,0x10,0x2a,0x10,0x50,0x99,0x58,0x58
+  ,0x51,0x51,0x51,0x4a,0x4b,0x4b,0x54,0x66,0x67,0x56,0x2e,0x5e,0xb6,0x3d
+  ,0x33,0x7f,0x29,0x3d,0x2a,0x29,0x33,0x29,0x20,0x2a,0x10,0x10,0x2a,0x10
+  ,0x10,0x50,0x10,0x50,0x59,0x51,0x51,0x51,0x51,0x54,0x15,0x66,0x5e,0x15
+  ,0x56,0x54
+};
+
+const unsigned char texture4[] =
+{  32, 32 // width, height
+  ,0x12,0x1c,0x65,0x65,0x65,0x65,0x1c,0x1c,0x1c,0x1c,0x1c,0x1b,0x1b,0x1b
+  ,0x13,0x00,0x5b,0x5b,0xad,0xad,0xad,0xad,0x5b,0x00,0x64,0xad,0xad,0x64
+  ,0x64,0x64,0x5b,0x00,0x1c,0x1b,0x1b,0x1b,0x13,0x13,0x12,0x13,0x12,0x12
+  ,0x12,0x12,0x0a,0x0a,0x09,0x00,0x5b,0x5b,0xad,0xad,0xad,0x64,0x5b,0x00
+  ,0xad,0x64,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x1b,0x1b,0x13,0x13,0x12
+  ,0x0a,0x0a,0x12,0x0a,0x0a,0x0a,0x0a,0x09,0x09,0x00,0x5b,0x5b,0xad,0xad
+  ,0xad,0x64,0x5b,0x00,0xad,0x64,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x1b
+  ,0x13,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,0x0a,0x09,0x00
+  ,0x5b,0x5b,0xad,0xad,0x64,0x64,0x5b,0x00,0x64,0x64,0x64,0x64,0x64,0x64
+  ,0x12,0x00,0x65,0x13,0x12,0x00,0x09,0x09,0x0a,0x09,0x09,0x09,0x09,0x09
+  ,0x13,0x0a,0x09,0x00,0x5b,0x5b,0xad,0x64,0x64,0x5b,0x5b,0x00,0x64,0x64
+  ,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x13,0x12,0x00,0x09,0x0a,0x12,0x12
+  ,0x0a,0x12,0x12,0x0a,0x1b,0x0a,0x09,0x00,0x5b,0x5b,0x64,0x64,0x5b,0x64
+  ,0x5b,0x00,0x64,0x64,0x64,0x64,0x64,0x64,0x5b,0x00,0x65,0x12,0x13,0x00
+  ,0x09,0x12,0x0a,0x0a,0x12,0x0a,0x0a,0x0a,0x1c,0x09,0x0a,0x00,0x5b,0x5b
+  ,0x64,0x64,0x64,0x64,0x5b,0x00,0x5b,0x5b,0x5b,0x12,0x5b,0x12,0x5b,0x00
+  ,0x65,0x13,0x12,0x00,0x09,0x12,0x0a,0x0a,0x0a,0x09,0x0a,0x09,0x1c,0x0a
+  ,0x0a,0x00,0x5b,0x5b,0xad,0x64,0x5b,0x64,0x5b,0x00,0x00,0x00,0x00,0x00
+  ,0x00,0x00,0x00,0x00,0x1c,0x12,0x0a,0x00,0x09,0x12,0x0a,0x0a,0x09,0x0a
+  ,0x09,0x09,0x1c,0x0a,0x0a,0x00,0x52,0x52,0x64,0x64,0x64,0x5b,0x5b,0x00
+  ,0xad,0xad,0xad,0xad,0xad,0xad,0x5b,0x00,0x1c,0x12,0x0a,0x00,0x09,0x0a
+  ,0x0a,0x0a,0x09,0x09,0x09,0x09,0x65,0x0a,0x09,0x00,0x5b,0x52,0x64,0x64
+  ,0x5b,0x64,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0x64,0x5b,0x00,0x1b,0x0a
+  ,0x12,0x00,0x09,0x0a,0x09,0x09,0x0a,0x0a,0x09,0x09,0x65,0x09,0x09,0x00
+  ,0x5b,0x5b,0x5b,0x64,0x5b,0x5b,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0x64
+  ,0x5b,0x00,0x1b,0x12,0x0a,0x00,0x09,0x0a,0x0a,0x09,0x0a,0x09,0x09,0x0a
+  ,0x1c,0x09,0x09,0x00,0x52,0x12,0x64,0x64,0x64,0x5b,0x5b,0x00,0xad,0xad
+  ,0xad,0xad,0x64,0x64,0x5b,0x00,0x1b,0x0a,0x09,0x09,0x13,0x1b,0x1c,0x1c
+  ,0x65,0x65,0x1c,0x1c,0x1b,0x09,0x09,0x00,0x5b,0x52,0x64,0x64,0x64,0x5b
+  ,0x12,0x00,0xad,0xad,0xad,0x64,0x64,0x5b,0x5b,0x00,0x1b,0x0a,0x09,0x0a
+  ,0x09,0x09,0x09,0x0a,0x09,0x0a,0x09,0x09,0x09,0x09,0x09,0x00,0x12,0x12
+  ,0x5b,0x5b,0x5b,0x5b,0x5b,0x00,0xad,0xad,0x64,0x64,0x5b,0x5b,0x12,0x00
+  ,0x13,0x09,0x09,0x09,0x09,0x09,0x0a,0x0a,0x09,0x09,0x09,0x09,0x09,0x09
+  ,0x09,0x00,0x09,0x09,0x5b,0x12,0x12,0x12,0x12,0x00,0xad,0xad,0x64,0x64
+  ,0x64,0x64,0x5b,0x00,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+  ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+  ,0xad,0x64,0x64,0x5b,0x5b,0x5b,0x12,0x00,0x12,0x1c,0x65,0x65,0x65,0x65
+  ,0x1c,0x1c,0x1c,0x1c,0x1c,0x1b,0x1b,0x1b,0x13,0x00,0x5b,0x5b,0xad,0x64
+  ,0xad,0xad,0x5b,0x00,0x64,0x64,0x64,0x5b,0x5b,0x64,0x5b,0x00,0x1c,0x1b
+  ,0x1b,0x1b,0x1b,0x13,0x12,0x13,0x12,0x12,0x12,0x12,0x0a,0x0a,0x09,0x00
+  ,0x5b,0x5b,0xad,0xad,0xad,0x64,0x5b,0x00,0xad,0x64,0x5b,0x5b,0x5b,0x5b
+  ,0x5b,0x00,0x65,0x1b,0x1b,0x13,0x13,0x12,0x0a,0x0a,0x12,0x0a,0x0a,0x0a
+  ,0x0a,0x09,0x09,0x00,0x5b,0x5b,0xad,0x64,0x64,0x64,0x5b,0x00,0x64,0x64
+  ,0x64,0x64,0x5b,0x5b,0x5b,0x00,0x65,0x13,0x1b,0x00,0x00,0x00,0x00,0x00
+  ,0x00,0x00,0x00,0x00,0x09,0x0a,0x09,0x00,0x5b,0x5b,0x64,0x64,0x64,0x64
+  ,0x5b,0x00,0x64,0x64,0x64,0x64,0x5b,0x64,0x5b,0x00,0x65,0x1b,0x13,0x00
+  ,0x09,0x09,0x0a,0x09,0x09,0x09,0x09,0x09,0x1b,0x0a,0x09,0x00,0x5b,0x5b
+  ,0xad,0x64,0x5b,0x64,0x5b,0x00,0x64,0x64,0x64,0x64,0x5b,0x5b,0x5b,0x00
+  ,0x65,0x13,0x12,0x00,0x09,0x0a,0x12,0x12,0x0a,0x12,0x12,0x12,0x1b,0x0a
+  ,0x09,0x00,0x5b,0x52,0x64,0x64,0x5b,0x5b,0x5b,0x00,0x64,0x64,0x64,0x64
+  ,0x5b,0x5b,0x12,0x00,0x65,0x12,0x13,0x00,0x09,0x12,0x0a,0x0a,0x0a,0x0a
+  ,0x0a,0x0a,0x1c,0x09,0x0a,0x00,0x5b,0x5b,0x64,0x64,0x5b,0x64,0x5b,0x00
+  ,0x5b,0x5b,0x5b,0x5b,0x5b,0x12,0x5b,0x00,0x65,0x13,0x12,0x00,0x09,0x12
+  ,0x0a,0x0a,0x0a,0x09,0x0a,0x09,0x1c,0x0a,0x0a,0x00,0x5b,0x52,0x64,0x5b
+  ,0x64,0x5b,0x5b,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1c,0x12
+  ,0x0a,0x00,0x09,0x12,0x0a,0x0a,0x09,0x0a,0x09,0x09,0x1c,0x0a,0x0a,0x00
+  ,0x52,0x5b,0x64,0x64,0x5b,0x5b,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0xad
+  ,0x5b,0x00,0x1c,0x12,0x0a,0x00,0x09,0x0a,0x0a,0x0a,0x09,0x09,0x09,0x09
+  ,0x65,0x0a,0x09,0x00,0x5b,0x52,0x64,0x64,0x5b,0x5b,0x5b,0x00,0xad,0xad
+  ,0xad,0xad,0xad,0x64,0x5b,0x00,0x1b,0x0a,0x12,0x00,0x09,0x0a,0x09,0x09
+  ,0x0a,0x0a,0x09,0x09,0x65,0x09,0x09,0x00,0x52,0x12,0x64,0x5b,0x5b,0x5b
+  ,0x5b,0x00,0xad,0xad,0xad,0xad,0xad,0x64,0x5b,0x00,0x1b,0x12,0x0a,0x00
+  ,0x09,0x0a,0x0a,0x09,0x0a,0x09,0x09,0x0a,0x1c,0x09,0x09,0x00,0x52,0x52
+  ,0x5b,0x5b,0x5b,0x64,0x5b,0x00,0xad,0xad,0xad,0xad,0x64,0x64,0x5b,0x00
+  ,0x1b,0x0a,0x09,0x09,0x13,0x1b,0x1c,0x1c,0x65,0x65,0x1c,0x1c,0x1b,0x09
+  ,0x09,0x00,0x12,0x12,0x5b,0x5b,0x5b,0x5b,0x5b,0x00,0xad,0xad,0xad,0xad
+  ,0xad,0x64,0x5b,0x00,0x1b,0x0a,0x09,0x0a,0x0a,0x09,0x09,0x09,0x09,0x09
+  ,0x09,0x09,0x09,0x09,0x09,0x00,0x12,0x12,0x5b,0x5b,0x5b,0x5b,0x12,0x00
+  ,0xad,0xad,0xad,0x64,0xad,0x64,0x5b,0x00,0x13,0x09,0x0a,0x09,0x09,0x09
+  ,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x00,0x09,0x12,0x5b,0x5b
+  ,0x5b,0x12,0x5b,0x00,0xad,0xad,0x64,0x64,0xad,0x64,0x5b,0x00,0x0a,0x00
+  ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+  ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xad,0x64,0xad,0x64,0xad,0x64
+  ,0x12,0x00
+};
+
+const unsigned char sprite1[] =
+{  32, 32 // width, height
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00
+  ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x00,0x00,0x00,0x64,0x64,0x64,0x76,0x64,0x64,0x64,0x64,0x64,0x00,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x00,0x00,0x64,0x76,0x64,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+  ,0x00,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x00,0x00,0x76,0x64,0x00,0x00,0x00,0x09,0x09,0x09
+  ,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x52,0x76,0x76,0x64
+  ,0x52,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x76,0x64,0x00,0x09,0x09,0x09
+  ,0x09,0x09,0x52,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x52
+  ,0x09,0x76,0x52,0x64,0x52,0x00,0x07,0x07,0x07,0x00,0xff,0x76,0x09,0x09
+  ,0x52,0x09,0x52,0x09,0x09,0x52,0x09,0x00,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x00,0x76,0x76,0x64,0x52,0x64,0x09,0x64,0x52,0x00,0x07,0x07,0x00,0xff
+  ,0x09,0x09,0x09,0x52,0x09,0x52,0x09,0x52,0x52,0x52,0x52,0x00,0x00,0x07
+  ,0x07,0x07,0x07,0x00,0x52,0x76,0x52,0x64,0x09,0x76,0x52,0x64,0x52,0x00
+  ,0x07,0x00,0x76,0x52,0x52,0x64,0x64,0x52,0x52,0x52,0x52,0x64,0x52,0x64
+  ,0x64,0x64,0x64,0x00,0x07,0x07,0x00,0x52,0x09,0x76,0x09,0x64,0x52,0x76
+  ,0x09,0x64,0x52,0x00,0x00,0x76,0x64,0x00,0x00,0x00,0x00,0x00,0x64,0x52
+  ,0x52,0x52,0x52,0x52,0x00,0x00,0x00,0x07,0x07,0x07,0x00,0x52,0x09,0x64
+  ,0x52,0x64,0x52,0x76,0x52,0x64,0x52,0x00,0x00,0xff,0x00,0x07,0x07,0x07
+  ,0x07,0x07,0x00,0x64,0x52,0x52,0x52,0x00,0x00,0x00,0x07,0x07,0x07,0x07
+  ,0x00,0x00,0x09,0x76,0x09,0x64,0x09,0x64,0x52,0x52,0x52,0x00,0x07,0x00
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x64,0x52,0x00,0x00,0x76,0x76
+  ,0x00,0x07,0x07,0x07,0x00,0x64,0x09,0x76,0x52,0x64,0x09,0x76,0x09,0x52
+  ,0x52,0x00,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x07,0x00,0x64,0x09
+  ,0x00,0x76,0x64,0x00,0x00,0x07,0x07,0x07,0x00,0x52,0x00,0x76,0x09,0x52
+  ,0x09,0x64,0x52,0x64,0x52,0x00,0x07,0x00,0x07,0x07,0x00,0x64,0x76,0x64
+  ,0x00,0x07,0x00,0x09,0x76,0x64,0x76,0x00,0x76,0x00,0x07,0x00,0x64,0x64
+  ,0x09,0x64,0x52,0x64,0x09,0x76,0x52,0x64,0x52,0x00,0x00,0xff,0x00,0x00
+  ,0x76,0x00,0x00,0x64,0x64,0x00,0x52,0x52,0x64,0x00,0x00,0x76,0x64,0x64
+  ,0x00,0x64,0x00,0x00,0x09,0x76,0x09,0x64,0x09,0x76,0x52,0x52,0x52,0x00
+  ,0x07,0x00,0x76,0x76,0x00,0x07,0x07,0x00,0x64,0x00,0x09,0x64,0x52,0x64
+  ,0x64,0x64,0x00,0x00,0x64,0x00,0x00,0x52,0x09,0x64,0x09,0x52,0x00,0x76
+  ,0x09,0x64,0x52,0x00,0x07,0x07,0x00,0x00,0x07,0x07,0x07,0x00,0x64,0x52
+  ,0x64,0x52,0x52,0x64,0x64,0x00,0x07,0x07,0x00,0x07,0x00,0x52,0x09,0x64
+  ,0x52,0x52,0x00,0x64,0x09,0x52,0x52,0x00,0x07,0x07,0x00,0x00,0x07,0x07
+  ,0x07,0x00,0x64,0x52,0x64,0x52,0x52,0x52,0x64,0x00,0x07,0x07,0x00,0x07
+  ,0x00,0x52,0x00,0x64,0x09,0x64,0x00,0x64,0x09,0x52,0x52,0x00,0x07,0x00
+  ,0x64,0x64,0x00,0x07,0x07,0x00,0x52,0x00,0x09,0x64,0x52,0x52,0x52,0x64
+  ,0x00,0x00,0x64,0x00,0x00,0x09,0x00,0x76,0x09,0x52,0x00,0x76,0x09,0x52
+  ,0x52,0x00,0x00,0x64,0x00,0x00,0x64,0x00,0x00,0x52,0x64,0x00,0x52,0x52
+  ,0x64,0x00,0x00,0x64,0x64,0x64,0x00,0x64,0x00,0x00,0x00,0x64,0x09,0x52
+  ,0x00,0x64,0x52,0x52,0x52,0x00,0x07,0x00,0x07,0x07,0x00,0x52,0x64,0x52
+  ,0x00,0x07,0x00,0x09,0x64,0x64,0x64,0x00,0x64,0x00,0x07,0x00,0x64,0x64
+  ,0x00,0x64,0x09,0x52,0x00,0x64,0x09,0x64,0x52,0x00,0x07,0x07,0x07,0x07
+  ,0x07,0x00,0x00,0x00,0x07,0x00,0x64,0x00,0x00,0x64,0x52,0x00,0x00,0x07
+  ,0x07,0x07,0x00,0x52,0x09,0x64,0x52,0x52,0x00,0x64,0x52,0x52,0x52,0x00
+  ,0x07,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x64,0x00,0x00,0x00
+  ,0x64,0x64,0x00,0x07,0x07,0x07,0x00,0x64,0x00,0x64,0x09,0x52,0x00,0x52
+  ,0x09,0x52,0x52,0x00,0x00,0x64,0x00,0x07,0x07,0x07,0x07,0x07,0x00,0x64
+  ,0x00,0x00,0x09,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x52
+  ,0x52,0x52,0x00,0x64,0x09,0x52,0x52,0x00,0x00,0x64,0x64,0x00,0x00,0x00
+  ,0x00,0x00,0x64,0x00,0x00,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x07,0x07
+  ,0x00,0x00,0x00,0x64,0x09,0x52,0x00,0x52,0x09,0x52,0x52,0x00,0x07,0x00
+  ,0x64,0x00,0x09,0x52,0x52,0x52,0x09,0x09,0x52,0x09,0x52,0x52,0x52,0x52
+  ,0x52,0x00,0x00,0x07,0x00,0x09,0x00,0x52,0x09,0x52,0x00,0x52,0x52,0x52
+  ,0x52,0x00,0x07,0x07,0x00,0x64,0x00,0x09,0x09,0x09,0x09,0x09,0x09,0x09
+  ,0x09,0x09,0x09,0x00,0x00,0x00,0x07,0x07,0x07,0x00,0x09,0x64,0x52,0x52
+  ,0x00,0x64,0x09,0x52,0x52,0x00,0x07,0x07,0x07,0x00,0x64,0x64,0x00,0x09
+  ,0x09,0x52,0x09,0x09,0x09,0x09,0x52,0x00,0x00,0x07,0x07,0x07,0x07,0x07
+  ,0x00,0x52,0x52,0x52,0x00,0x52,0x09,0x52,0x52,0x00,0x07,0x07,0x07,0x07
+  ,0x00,0x00,0x64,0x64,0x09,0x09,0x09,0x52,0x09,0x52,0x09,0x00,0x00,0x00
+  ,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00,0x64,0x52,0x52,0x52,0x00
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x64,0x64,0x09,0x09,0x52,0x09
+  ,0x52,0x09,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x00,0x00,0x09,0x52
+  ,0x52,0x52,0x52,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00
+  ,0x64,0x64,0x64,0x09,0x09,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x07,0x07
+  ,0x07,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x64,0x64,0x64,0x64,0x64,0x64,0x64
+  ,0x64,0x64,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00
+  ,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07
+};
+
+const unsigned char sprite2[] =
+{  32, 32 // width, height
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0xbf,0xbf
+  ,0xbf,0x00,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x27,0x00,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x00,0xbf,0x5b,0x5b,0x00,0x00,0x00,0x00,0x00,0x00,0x27,0x27,0x27
+  ,0x0c,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x00,0x52,0x6d,0x5b,0x09,0x0c,0x0c,0x0c,0x27,0x27
+  ,0x27,0x0c,0x0a,0x0a,0x0a,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x00,0x07,0x00,0x5b,0x09,0x09,0x09,0x0a,0x0a
+  ,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0b,0x0b,0x0a,0x00,0x07,0x07,0x00,0x00
+  ,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x3f,0x00,0x5b,0x09,0x5b
+  ,0x09,0x00,0x02,0x01,0x01,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x00
+  ,0x00,0x07,0x00,0x3e,0xb6,0x00,0x07,0x00,0x07,0x07,0x07,0x00,0x15,0x15
+  ,0x3d,0x09,0x09,0x09,0x00,0x01,0x01,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x01
+  ,0x01,0x01,0x01,0x52,0x52,0x00,0x07,0x00,0x3e,0x6d,0x00,0xb6,0x00,0x07
+  ,0x00,0x0c,0x0c,0x15,0x15,0x3d,0x00,0x00,0x0a,0x0a,0x00,0x00,0x00,0x01
+  ,0x01,0x01,0x01,0x01,0x01,0x01,0x52,0x6d,0x52,0x00,0x07,0x07,0x00,0x3d
+  ,0x5b,0x6d,0x00,0x00,0x27,0x27,0x0c,0x0c,0x15,0x3f,0x00,0x01,0x00,0x00
+  ,0x09,0x00,0x52,0x00,0x09,0x00,0x00,0x00,0x01,0x01,0x09,0xb6,0x09,0x00
+  ,0x07,0x07,0x07,0x00,0x3d,0x09,0x00,0x0a,0x0c,0x15,0x27,0x09,0x09,0x09
+  ,0x09,0x00,0x3f,0x00,0x52,0x09,0x64,0x00,0x3d,0x3d,0x3f,0x64,0x64,0x09
+  ,0xb6,0x6d,0x09,0x00,0x07,0x07,0x00,0xbf,0x6d,0x00,0x5b,0x52,0x0a,0x09
+  ,0x09,0x09,0x5b,0x6d,0x09,0x5b,0x3d,0x00,0x64,0x00,0x64,0x09,0x00,0x1d
+  ,0x3f,0x5b,0x52,0x52,0x09,0x52,0x00,0x00,0x07,0x00,0xb6,0xff,0x3e,0x00
+  ,0x3e,0x3e,0x3d,0x09,0x5b,0x6d,0xbf,0xb6,0x52,0x3e,0x1d,0x3d,0x00,0x64
+  ,0x00,0x52,0x00,0x00,0x09,0x52,0x52,0x12,0x09,0x00,0x00,0x00,0x00,0x3d
+  ,0x3d,0x3d,0x00,0x00,0x00,0x00,0x09,0x09,0x09,0x6d,0x6d,0x52,0x52,0x3e
+  ,0x1d,0x3d,0x00,0x64,0x00,0x52,0x00,0x02,0x00,0x00,0x09,0x00,0x00,0x01
+  ,0x00,0x00,0x07,0x00,0x52,0x5b,0x3d,0x00,0x3d,0x3f,0x3f,0x09,0x5b,0x52
+  ,0x5b,0x6d,0x52,0x3d,0x1d,0x3f,0x00,0x64,0x00,0x52,0x00,0x01,0x01,0x01
+  ,0x01,0x0a,0x0a,0x0a,0x00,0x00,0x07,0x07,0x00,0x52,0x5b,0x00,0x52,0x52
+  ,0x0a,0x27,0x09,0x09,0x09,0x09,0x52,0x5b,0x3f,0x00,0x00,0x64,0x00,0x52
+  ,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x07,0x07,0x07,0x07,0x00
+  ,0x3f,0x09,0x00,0x0a,0x0c,0x27,0x0c,0x15,0x3f,0x09,0x09,0x09,0x3f,0x00
+  ,0x64,0x00,0x52,0x09,0x00,0x3d,0x3f,0x5b,0x00,0x00,0x01,0x01,0x00,0x07
+  ,0x07,0x07,0x00,0x1d,0x52,0x5b,0x00,0x0c,0x27,0x0c,0x0c,0x15,0x0c,0x3d
+  ,0x00,0x00,0x00,0x00,0x52,0x09,0x00,0x00,0x3f,0x3e,0x3d,0x52,0x52,0x64
+  ,0x09,0x52,0x00,0x00,0x07,0x00,0x1d,0x5b,0x00,0x5b,0x00,0x27,0x0c,0x0c
+  ,0x15,0x15,0x15,0x3d,0x52,0x52,0x0a,0x52,0xbf,0x6d,0x00,0x00,0x00,0x3f
+  ,0x52,0x12,0x12,0x09,0x64,0xb6,0x52,0x00,0x00,0x3f,0x5b,0x00,0x07,0x00
+  ,0x07,0x00,0x00,0x0c,0x27,0x15,0x15,0x3e,0x00,0x09,0x52,0xbf,0x6d,0x5b
+  ,0x0a,0x0a,0x0a,0x01,0x00,0x00,0x00,0x00,0x00,0x64,0x09,0x00,0x00,0x00
+  ,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x27,0x3e,0x27,0x27,0x15
+  ,0x09,0x00,0x00,0x0a,0x0a,0x0a,0x0a,0x0a,0x01,0x01,0x01,0x00,0x00,0x09
+  ,0x09,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00
+  ,0x3d,0x0c,0x0c,0x27,0x27,0x27,0x27,0x15,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a
+  ,0x01,0x01,0x01,0x0a,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x27,0x27,0x27
+  ,0x27,0x15,0x15,0x0a,0x0a,0x0a,0x0a,0x0a,0x00,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x15,0x15,0x15,0x15,0x15,0x00,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x00,0x00,0x00,0x00
+  ,0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07
+  ,0x07,0x07
+};
+
+const unsigned char *textures[] = {texture2, texture3, texture4};
+
+Unit floorHeightAt(int16_t x, int16_t y)
+{
+  if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
+    return level[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x] == 0 ?
+      0 : UNITS_PER_SQUARE; 
+
+  return UNITS_PER_SQUARE;
+}
+
+Unit textureAt(int16_t x, int16_t y)
+{
+  return 0;
+}
+
+/**
+  Function for drawing a single pixel (like fragment shader).
+*/
+inline void pixelFunc(PixelInfo pixel)
+{
+  if (pixel.position.y == MIDDLE_ROW)
+    zBuffer[pixel.position.x] = pixel.depth;
+
+  uint8_t c;
+
+  Unit depth = pixel.depth - UNITS_PER_SQUARE * 3;
+  depth = depth > 0 ? depth : 1;
+
+  int intensity = 7 - (depth * 7) / (UNITS_PER_SQUARE * 5);
+
+  if (intensity < 0)
+    intensity = 0;
+
+  if (pixel.isWall)
+  {
+    if ((pixel.hit.direction == 0 || pixel.hit.direction == 2))
+      intensity -= 2;
+
+    if (intensity < 0)
+      intensity = 0;
+
+    c = sampleImage(textures[pixel.hit.type],pixel.hit.textureCoord,pixel.textureCoordY);
+    c = addIntensity(c,intensity - 3);
+  }
+  else
+    c = pixel.isFloor ?
+          rgbToIndex(intensity/2,intensity,intensity/3) :
+          rgbToIndex(intensity,intensity/2,0);
+
+
+  uint8_t *buf = pokitto.display.screenbuffer;
+
+  buf += pixel.position.x * SUBSAMPLE;
+  buf += pixel.position.y * pokitto.display.width;
+
+  for (uint8_t i = 0; i < SUBSAMPLE - 1; ++i)
+    *buf++ = c;
+
+  *buf = c;
+}
+
+void draw()
+{
+  RayConstraints c;
+
+  c.maxHits = 8;
+  c.maxSteps = 10;
+  c.computeTextureCoords = 1;
+
+  render(player.mCamera,floorHeightAt,0,
+textureAt,pixelFunc,c);
+
+  Unit previousDepth;
+
+  // draw sprites
+
+  for (uint8_t i = 0; i < SPRITES; ++i)
+  {
+    if (dist(sprites[i].mPosition,player.mCamera.position) > SPRITE_MAX_DISTANCE)
+      continue;
+
+    PixelInfo pos = mapToScreen(sprites[i].mPosition,sprites[i].mHeight,player.mCamera);
+
+    if (pos.depth > 0)
+      drawSprite(sprites[i].mImage,pos.position.x * SUBSAMPLE,pos.position.y,
+                 pos.depth,perspectiveScale(sprites[i].mPixelSize,pos.depth));
+
+    if (i != 0 && pos.depth > previousDepth)
+    {
+      Sprite tmp = sprites[i];
+      sprites[i] = sprites[i - 1];
+      sprites[i - 1] = tmp;
+    }
+
+    previousDepth = pos.depth;
+  }
+
+pokitto.display.setColor(rgbToIndex(7,7,3));
+pokitto.display.setCursor(1,1);
+pokitto.display.print(player.mCamera.position.x);
+pokitto.display.print(" ");
+pokitto.display.print(player.mCamera.position.y);
+pokitto.display.print(" ");
+pokitto.display.print(player.mCamera.direction);
+
+}
+
+int main()
+{
+  pokitto.begin();
+  initPalette();
+
+  player.setPositionSquare(4,5);
+  player.mCamera.height = CAMERA_COLL_HEIGHT_BELOW;
+
+  sprites[0] = Sprite(sprite1,10,5,1,100);
+  sprites[1] = Sprite(sprite1,14,5,1,100);
+  sprites[2] = Sprite(sprite2,15,19,1,150);
+  sprites[2].mHeight -= UNITS_PER_SQUARE / 2;
+
+  pokitto.display.persistence = 1;
+  pokitto.setFrameRate(FPS);
+  pokitto.display.setFont(fontTiny);
+
+  uint32_t previousTime = 0;
+  uint32_t dt;
+
+  while (pokitto.isRunning())
+  {
+    if (pokitto.update())
+    {
+      draw();
+
+      uint32_t timeNow = pokitto.getTime();
+      dt = timeNow - previousTime;
+      previousTime = timeNow;
+
+      int16_t horizontalStep = (dt * PLAYER_SPEED) / 1000;
+      int16_t rotationStep = (dt * PLAYER_ROTATION_SPEED) / 1000;
+
+      Vector2D d = angleToDirection(player.mCamera.direction);
+
+      Vector2D moveOffset;
+ 
+      moveOffset.x = 0;
+      moveOffset.y = 0;
+
+      d.x = (d.x * horizontalStep) / UNITS_PER_SQUARE;
+      d.y = (d.y * horizontalStep) / UNITS_PER_SQUARE;
+
+      if (d.x == 0 && d.y == 0)
+      {
+        d.x = d.x > 0 ? horizontalStep : -1 * horizontalStep;
+        d.y = d.y > 0 ? horizontalStep : -1 * horizontalStep;
+      }
+
+      bool strafe = pokitto.aBtn();
+
+      if (pokitto.upBtn())
+      {
+          moveOffset = d;
+      }
+      else if (pokitto.downBtn())
+      {
+        moveOffset.x = -1 * d.x;
+        moveOffset.y = -1 * d.y;
+      }
+
+      int addition = 0;
+
+      if (pokitto.rightBtn())
+        addition = 1;      
+      else if (pokitto.leftBtn())
+        addition = -1;
+
+      if (strafe)
+      {
+        d = angleToDirection(player.mCamera.direction + UNITS_PER_SQUARE / 4);
+        d.x = (d.x * horizontalStep * addition) / UNITS_PER_SQUARE;
+        d.y = (d.y * horizontalStep * addition) / UNITS_PER_SQUARE;
+
+        moveOffset = d;
+      }
+      else
+        player.mCamera.direction += addition * rotationStep;
+    
+      Unit prevHeight = player.mCamera.height;
+
+      moveCameraWithCollision(&player.mCamera,moveOffset,0,
+        floorHeightAt, 0, 0);
+
+      Unit heightDiff = player.mCamera.height - prevHeight;
+    }
+  }
+
+  return 0;
+}