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#include "pixelfunc.h"
RCL_Camera camera;
static int dx = 1;
static int dy = 0;
static int dr = 1;
static int frame = 0;
void pixelFunc(RCL_PixelInfo *p)
{
int c = GxEPD_WHITE;
if (p->isWall)
{
c = GxEPD_BLACK;
}
if (displayPtr != nullptr)
{
displayPtr->drawPixel(p->position.x, p->position.y, c);
}
}
RCL_Unit heightAt(int16_t x, int16_t y)
{
int32_t index = y * LEVEL_W + x;
if (index < 0 || (index >= LEVEL_W * LEVEL_H))
return RCL_UNITS_PER_SQUARE * 2;
return level[y * LEVEL_W + x] * RCL_UNITS_PER_SQUARE * 2;
}
void draw()
{
RCL_RayConstraints c;
RCL_initRayConstraints(&c);
c.maxHits = 1;
c.maxSteps = 100;
RCL_renderSimple(camera,heightAt,0,0,c);
}
void draw_doom()
{
RCL_initCamera(&camera);
camera.position.x = 2 * RCL_UNITS_PER_SQUARE;
camera.position.y = 2 * RCL_UNITS_PER_SQUARE;
camera.direction = 0;
camera.resolution.x = SCREEN_W;
camera.resolution.y = SCREEN_H;
for (int i = 0; i < 10000; ++i)
{
draw();
int squareX = RCL_divRoundDown(camera.position.x,RCL_UNITS_PER_SQUARE);
int squareY = RCL_divRoundDown(camera.position.y,RCL_UNITS_PER_SQUARE);
if (rand() % 100 == 0)
{
dx = 1 - rand() % 3;
dy = 1 - rand() % 3;
dr = 1 - rand() % 3;
}
while (heightAt(squareX + dx,squareY + dy) > 0)
{
dx = 1 - rand() % 3;
dy = 1 - rand() % 3;
dr = 1 - rand() % 3;
}
camera.position.x += dx * 200;
camera.position.y += dy * 200;
camera.direction += dr * 10;
camera.height = RCL_UNITS_PER_SQUARE + RCL_sin(frame * 16) / 2;
frame++;
}
}
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