Diff: main.cpp

Revision:

15:a91849bc5265

Parent:

5:c4a0391b43ac

--- a/main.cpp	Sat Jul 21 12:33:50 2018 +0000
+++ b/main.cpp	Sat Sep 01 18:14:19 2018 +0000
@@ -1,13 +1,147 @@
+/**
+  WIP raycasting demo for Pokitto.
+
+  author: Miloslav "drummyfish" Ciz
+  license: CC0
+ */
+
+#include <stdio.h>
+#include "raycastlib.h"
 #include "Pokitto.h"
+#include <stdlib.h>
+
+class Level
+{
+public:
+  int16_t getHeight(int16_t x, int16_t y)
+  {
+    if (x > 12 || y > 12)
+      return max(x,y) - 10;
+
+    if (y < 5 && y > 2)
+      return x;
+
+    return (x < 0 || y < 0 || x > 9 || y > 9) ? 4 : 0;
+  }
+};
+
+class Character
+{
+public:
+  Camera mCamera;
 
-Pokitto::Core mygame;
+  Character()
+  {
+    mCamera.position.x = 400;
+    mCamera.position.y = 6811;
+    mCamera.direction = 660;
+    mCamera.fovAngle = UNITS_PER_SQUARE / 4;
+    mCamera.height = 0;
+    mCamera.resolution.x = 36;
+    mCamera.resolution.y = 88;
+  } 
+};
+
+Pokitto::Core p;
+Character player;
+Level level;
+
+Unit heightFunc(int16_t x, int16_t y)
+{
+  return level.getHeight(x,y) * UNITS_PER_SQUARE / 4;
+}
+
+bool dither(uint8_t intensity, uint32_t x, uint32_t y)
+{
+  switch (intensity)
+  {
+    case 0: return false; break;
+    case 1: return x % 2 == 0 && y % 2 == 0; break;
+    case 2: return x % 2 == y % 2; break;
+    case 3: return x % 2 != 0 || y % 2 != 0; break;
+    default: return true; break;
+  }
+}
+
+void pixelFunc(PixelInfo pixel)
+{
+  uint8_t c = pixel.isWall ? pixel.hit.direction + 4 : 3;
+
+  uint16_t x = pixel.position.x * 3;
+  uint16_t y = pixel.position.y;
+
+  uint8_t d = pixel.depth / (UNITS_PER_SQUARE * 2);
 
-int main () {
-    mygame.begin();
-    while (mygame.isRunning()) {
-        if (mygame.update()) {            
-            mygame.display.print("Hello World!");
-            } 
-        }    
-    
+  p.display.color = dither(d,x,y) ? 0 : c;
+  p.display.drawPixel(x,pixel.position.y);
+
+  x++;
+
+  p.display.color = dither(d,x,y) ? 0 : c;
+  p.display.drawPixel(x,pixel.position.y);
+
+  x++;
+
+  p.display.color = dither(d,x,y) ? 0 : c;
+  p.display.drawPixel(x,pixel.position.y);
+}
+
+void draw()
+{
+
+  RayConstraints c;
+
+  c.maxHits = 3;
+  c.maxSteps = 10;
+
+  render(player.mCamera,heightFunc,pixelFunc,c);
+
+}
+
+int main()
+{
+  p.begin();
+
+  p.setFrameRate(30);
+
+  p.display.setFont(fontTiny);
+
+  while (p.isRunning())
+  {
+    if (p.update())
+    {
+      draw();
+
+      const int16_t step = 50;
+      const int16_t step2 = 10;
+
+      Vector2D d = angleToDirection(player.mCamera.direction);
+
+      d.x = (d.x * step) / UNITS_PER_SQUARE;
+      d.y = (d.y * step) / UNITS_PER_SQUARE;
+
+      if (p.upBtn())
+      {
+        player.mCamera.position.x += d.x;
+        player.mCamera.position.y += d.y;
+      }
+      else if (p.downBtn())
+      {
+        player.mCamera.position.x -= d.x;
+        player.mCamera.position.y -= d.y;
+      }
+
+      if (p.rightBtn())
+        player.mCamera.direction += step2;
+      else if (p.leftBtn())
+        player.mCamera.direction -= step2;
+
+      if (p.bBtn())
+        player.mCamera.height += step;
+      else if (p.cBtn())
+        player.mCamera.height -= step;
+    }
+  }
+
+  return 0;
 }
\ No newline at end of file