Bayley Wang
cube
Fork of
manworm_tv_gpu
by 
Jared DiCarlo
Diff: main.cpp
- Revision:
- 6:0a34891a82c7
- Parent:
- 5:2859a892497f
- Child:
- 7:25acb844f424
--- a/main.cpp Mon Nov 20 02:32:57 2017 +0000
+++ b/main.cpp Mon Nov 20 06:28:29 2017 +0000
@@ -112,6 +112,15 @@
1,0,0,0,0,1,
1,0,0,0,0,1,};
+uint8_t chr_L[] = {
+1,0,0,0,0,0,
+1,0,0,0,0,0,
+1,0,0,0,0,0,
+1,0,0,0,0,0,
+1,0,0,0,0,0,
+1,0,0,0,0,0,
+1,1,1,1,1,1,};
+
uint8_t chr_M[] = {
1,0,0,0,0,1,
1,1,0,0,1,1,
@@ -175,6 +184,15 @@
0,1,0,0,1,0,
0,0,1,1,0,0,};
+uint8_t chr_W[] = {
+1,0,0,0,0,1,
+1,0,0,0,0,1,
+1,0,0,0,0,1,
+1,0,1,1,0,1,
+1,0,1,1,0,1,
+1,1,0,0,1,1,
+1,0,0,0,0,1,};
+
uint8_t sprite_tree[] = {
0,0,0,1,0,0,0,
0,0,1,1,1,0,0,
@@ -195,6 +213,34 @@
0,1,0,0,0,1,0,
0,1,0,0,0,1,0};
+uint8_t sprite_manl[] = {
+0,0,0,1,0,0,0,
+0,0,1,1,1,0,0,
+0,0,0,1,0,0,1,
+0,1,1,1,1,1,0,
+1,0,1,1,1,0,0,
+0,0,1,1,1,0,0,
+0,1,0,0,0,1,0,
+0,1,0,0,0,0,0};
+
+uint8_t sprite_manr[] = {
+0,0,0,1,0,0,0,
+0,0,1,1,1,0,0,
+0,0,0,1,0,0,1,
+0,1,1,1,1,1,0,
+1,0,1,1,1,0,0,
+0,0,1,1,1,0,0,
+0,1,0,0,0,1,0,
+0,0,0,0,0,1,0};
+
+uint8_t *menu[] = {
+chr_P,chr_A,chr_N,chr_G,
+chr_F,chr_A,chr_S,chr_H,
+chr_D,chr_A,chr_M,chr_O,
+chr_D,chr_R,chr_A,chr_V,
+chr_W,chr_A,chr_L,chr_F,
+};
+
uint16_t l=0; //current line of scan
uint8_t im_line_s[H_RES]; //image sync buffer
@@ -251,14 +297,53 @@
float uvy[8] = {1,1,1,-1,-1,-1,-1,1};
int ulive[8] = {1,1,1,1,1,1,1,1};
+int fdeath_ticker = FDEATH_RESET;
+float fs = 0;
+
//tunnel variables
#define TUN_LEN (SY_MAX - SY_MIN)
uint8_t tunnel[TUN_LEN];
float tunnp = 50;
int tundir = 1;
+int leg_ctr = 0;
-int fdeath_ticker = FDEATH_RESET;
-float fs = 0;
+//raycaster variables
+#define mapWidth 24
+#define mapHeight 24
+
+uint8_t worldMap[mapWidth][mapHeight]=
+{
+ {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,2,2,2,2,2,0,0,0,0,3,0,3,0,3,0,0,0,1},
+ {1,0,0,0,0,0,2,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,2,0,0,0,2,0,0,0,0,3,0,0,0,3,0,0,0,1},
+ {1,0,0,0,0,0,2,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,2,2,0,2,2,0,0,0,0,3,0,3,0,3,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,4,0,4,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,4,0,0,0,0,5,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,4,0,4,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,4,0,4,4,4,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+ {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
+};
+
+float posX = 12, posY = 12;
+float dirX = -1, dirY = 0;
+float planeX = 0, planeY = 0.66;
+float rc_cos = cosf(0.03f);
+float rc_sin = sinf(0.03f);
DigitalIn p1_in(A1);
DigitalIn p2_in(A0);
@@ -796,15 +881,126 @@
if (cmd2) tunnp-=1.0f;
if (tunnp<SX_MIN+8) tunnp = SX_MIN+8;
if (tunnp>SX_MAX-8) tunnp = SX_MAX-8;
- dispsprite((int)(tunnp-SX_MIN), 31, sprite_man);
+ leg_ctr++;
+ if (leg_ctr == 50) leg_ctr = 0;
+ if (leg_ctr < 25) dispsprite((int)(tunnp-SX_MIN), 31, sprite_manl);
+ else dispsprite((int)(tunnp-SX_MIN), 31, sprite_manr);
wait(0.01);
}
+
+void update_rc() {
+ int cmd1 = p1_in.read();
+ int cmd2 = p2_in.read();
+ if (!cmd1) {
+ float oldDirX = dirX;
+ dirX = dirX * rc_cos - dirY * rc_sin;
+ dirY = oldDirX * rc_sin + dirY * rc_cos;
+ float oldPlaneX = planeX;
+ planeX = planeX * rc_cos - planeY * rc_sin;
+ planeY = oldPlaneX * rc_sin + planeY * rc_cos;
+ }
+ if (!cmd2) {
+ float oldDirX = dirX;
+ dirX = dirX * rc_cos + dirY * rc_sin;
+ dirY = -oldDirX * rc_sin + dirY * rc_cos;
+ float oldPlaneX = planeX;
+ planeX = planeX * rc_cos + planeY * rc_sin;
+ planeY = -oldPlaneX * rc_sin + planeY * rc_cos;
+ }
+ if(worldMap[int(posX + dirX * 0.01f)][int(posY)] == false) posX += dirX * 0.01f;
+ if(worldMap[int(posX)][int(posY + dirY * 0.01f)] == false) posY += dirY * 0.01f;
+
+ int w = SX_MAX-SX_MIN;
+ int h = SY_MAX-SY_MIN;
+ for (int x = 0; x < SX_MAX - SX_MIN; x++) {
+ float cameraX = 2 * x / float(w) - 1; //x-coordinate in camera space
+ float rayPosX = posX;
+ float rayPosY = posY;
+ float rayDirX = dirX + planeX * cameraX;
+ float rayDirY = dirY + planeY * cameraX;
+
+ int mapX = int(rayPosX);
+ int mapY = int(rayPosY);
+
+ float sideDistX, sideDistY;
+
+ float deltaDistX = sqrtf(1 + (rayDirY * rayDirY) / (rayDirX * rayDirX));
+ float deltaDistY = sqrtf(1 + (rayDirX * rayDirX) / (rayDirY * rayDirY));
+ float perpWallDist;
+
+ int stepX, stepY;
+ int hit = 0, side;
+ if (rayDirX < 0) {
+ stepX = -1;
+ sideDistX = (rayPosX - mapX) * deltaDistX;
+ } else {
+ stepX = 1;
+ sideDistX = (mapX + 1.0 - rayPosX) * deltaDistX;
+ }
+ if (rayDirY < 0) {
+ stepY = -1;
+ sideDistY = (rayPosY - mapY) * deltaDistY;
+ } else {
+ stepY = 1;
+ sideDistY = (mapY + 1.0 - rayPosY) * deltaDistY;
+ }
+
+ while (hit == 0)
+ {
+ //jump to next map square, OR in x-direction, OR in y-direction
+ if (sideDistX < sideDistY)
+ {
+ sideDistX += deltaDistX;
+ mapX += stepX;
+ side = 0;
+ }
+ else
+ {
+ sideDistY += deltaDistY;
+ mapY += stepY;
+ side = 1;
+ }
+ //Check if ray has hit a wall
+ if (worldMap[mapX][mapY] > 0) hit = 1;
+ }
+ //Calculate distance projected on camera direction (oblique distance will give fisheye effect!)
+ if (side == 0) perpWallDist = (mapX - rayPosX + (1 - stepX) / 2) / rayDirX;
+ else perpWallDist = (mapY - rayPosY + (1 - stepY) / 2) / rayDirY;
+
+ //Calculate height of line to draw on screen
+ int drawStart,drawEnd;
+ int lineHeight = (int)(h / perpWallDist);
+ if (lineHeight > h) {
+ drawStart = 0;
+ drawEnd = h;
+ } else {
+ drawStart = -lineHeight / 2 + h / 2;
+ drawEnd = lineHeight / 2 + h / 2;
+ }
+ if (side == 0) {
+ for(int y = 0; y < drawStart; y++) {
+ im_line_va[H_RES*(y+SY_MIN)+x+SX_MIN] = 0;
+ }
+ for(int y = drawStart;y < drawEnd;y++) {
+ im_line_va[H_RES*(y+SY_MIN)+x+SX_MIN] = 1;
+ }
+ for(int y = drawEnd; y < h; y++) {
+ im_line_va[H_RES*(y+SY_MIN)+x+SX_MIN] = 0;
+ }
+ } else {
+ for(int y = 0; y < h; y++) im_line_va[H_RES*(y+SY_MIN)+x+SX_MIN] = 0;
+ im_line_va[H_RES*(drawStart+SY_MIN)+x+SX_MIN] = 1;
+ im_line_va[H_RES*(drawEnd-1+SY_MIN)+x+SX_MIN] = 1;
+ }
+ }
+}
+
int main() {
potato:
init_buffers();
t.attach_us(&isr,63);
-
+
int bmi = 0;
for(int y = SY_MIN; y < SY_MIN + BY2; y++)
@@ -816,6 +1012,7 @@
}
}
+ /*
dispchr(4, BY2+1, chr_P);
dispchr(11, BY2+1, chr_A);
dispchr(18, BY2+1, chr_N);
@@ -835,8 +1032,9 @@
dispchr(11, BY2+25, chr_R);
dispchr(18, BY2+25, chr_A);
dispchr(25, BY2+25, chr_V);
-
+ */
int cursor_pos = 0;
+ int menu_offs = 0;
for (;;) {
int cmd1 = p1_in.read();
@@ -852,10 +1050,18 @@
if (!cmd1 && !cmd2) break;
if (cursor_pos < 0) cursor_pos = 0;
- if (cursor_pos > 3) cursor_pos = 3;
+ if (cursor_pos > 4) cursor_pos = 4;
+ if (cursor_pos > 3) menu_offs = cursor_pos - 3; else menu_offs = 0;
cursor_x = SX_MIN;
- cursor_y = SY_MIN + 8*cursor_pos + BY2 + 5;
+ if (cursor_pos < 4) cursor_y = SY_MIN + 8*cursor_pos + BY2 + 5;
+ else cursor_y = SY_MIN + 8*3 + BY2 + 5;
+
+ for(int y = 0; y < 4; y++) {
+ for(int x = 0; x < 4; x++) {
+ dispchr(4+7*x,BY2+1+8*y,menu[4*(y+menu_offs)+x]);
+ }
+ }
im_line_va[H_RES*cursor_y+cursor_x] = 1;
@@ -872,12 +1078,16 @@
for (;;) fishy();
} else if (cursor_pos == 2) {
for (;;) update_image();
- } else {
+ } else if (cursor_pos == 3) {
init_tunnel();
for (;;)
{
update_tunnel();
}
+ } else if (cursor_pos == 4) {
+ for (;;) {
+ update_rc();
+ }
}
goto potato;
}