williamjcm/small3dlib
1
0
Fork 0
mirror of https://git.coom.tech/drummyfish/small3dlib.git synced 2024-11-21 20:39:57 +01:00
Code Activity

Move cube data to s3l

Browse source
This commit is contained in:
Miloslav Číž 2019-05-07 21:31:33 +02:00
parent fb9f7c6b10
commit 5749abee92
2 changed files with 55 additions and 52 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
s3l.h
View file

@ -134,6 +134,58 @@ typedef int32_t S3L_Unit; /**< Units of measurement in 3D space. There is
#define S3L_nonzero(value) ((value) != 0 ? (value) : 1) /**< prevents division
by zero */
/** Predefined vertices of a cube to simply insert in an array. These come with
S3L_CUBE_TRIANGLES and S3L_CUBE_TEXCOORDS. */
#define S3L_CUBE_VERTICES\
/* 0 front, bottom, right */\
S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,\
/* 1 front, bottom, left */\
-S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,\
/* 2 front, top, right */\
S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,\
/* 3 front, top, left */\
-S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,\
/* 4 back, bottom, right */\
S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2,\
/* 5 back, bottom, left */\
-S3L_FRACTIONS_PER_UNIT/2,-S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2,\
/* 6 back, top, right */\
S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2,\
/* 7 back, top, left */\
-S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2,S3L_FRACTIONS_PER_UNIT/2
/** Predefined triangle indices of a cube, to be used with S3L_CUBE_VERTICES
and S3L_CUBE_TEXCOORDS. */
#define S3L_CUBE_TRIANGLES\
0, 3, 2, /* front */\
0, 1, 3,\
4, 0, 2, /* right */\
4, 2, 6,\
5, 4, 6, /* back */\
6, 7, 5,\
7, 3, 1, /* left */\
7, 1, 5,\
3, 6, 2, /* top */\
3, 7, 6,\
4, 1, 0, /* bottom */\
4, 5, 1
/** Predefined texture coordinates of a cube, corresponding to triangles (NOT
vertices), to be used with S3L_CUBE_VERTICES and S3L_CUBE_TRIANGLES. */
#define S3L_CUBE_TEXCOORDS\
1,1, 0,0, 1,0,\
1,1, 0,1, 0,0,\
1,0, 1,1, 0,1,\
1,0, 0,1, 0,0,\
0,0, 1,0, 1,1,\
1,1, 0,1, 0,0,\
0,1, 0,0, 1,0,\
0,1, 1,0, 1,1,\
1,1, 0,0, 1,0,\
1,1, 0,1, 0,0,\
0,1, 1,0, 1,1,\
0,1, 0,0, 1,0
#define S3L_SIN_TABLE_LENGTH 128
static const S3L_Unit S3L_sinTable[S3L_SIN_TABLE_LENGTH] =
{

55
testSDL.c
View file

@ -26,58 +26,9 @@ const int16_t test_coords[] =
496,15, 613,131, 552,203
};
#define S S3L_FRACTIONS_PER_UNIT
S3L_Unit ver[] =
{
S/2, -S/2, -S/2, // 0 front, bottom, right
-S/2, -S/2, -S/2, // 1 front, bottom, left
S/2, S/2, -S/2, // 2 front, top, right
-S/2, S/2, -S/2, // 3 front, top, left
S/2, -S/2, S/2, // 4 back, bottom, right
-S/2, -S/2, S/2, // 5 back, bottom, left
S/2, S/2, S/2, // 6 back, top, right
-S/2, S/2, S/2 // 7 back, top, left
};
S3L_Unit tex_coords[] =
{
1,1, 0,0, 1,0,
1,1, 0,1, 0,0,
1,0, 1,1, 0,1,
1,0, 0,1, 0,0,
0,0, 1,0, 1,1,
1,1, 0,1, 0,0,
0,1, 0,0, 1,0,
0,1, 1,0, 1,1,
1,1, 0,0, 1,0,
1,1, 0,1, 0,0,
0,1, 1,0, 1,1,
0,1, 0,0, 1,0
};
#undef S
const S3L_Index tri[] =
{
0, 3, 2, // front
0, 1, 3,
4, 0, 2, // right
4, 2, 6,
5, 4, 6, // back
6, 7, 5,
7, 3, 1, // left
7, 1, 5,
3, 6, 2, // top
3, 7, 6,
4, 1, 0, // bottom
4, 5, 1
};
const S3L_Unit ver[] = { S3L_CUBE_VERTICES };
const S3L_Index tri[] = { S3L_CUBE_TRIANGLES };
const S3L_Unit tex_coords[] = { S3L_CUBE_TEXCOORDS };
const uint8_t testTexture[] =
{