williamjcm/small3dlib
1
0
Fork 0
mirror of https://git.coom.tech/drummyfish/small3dlib.git synced 2024-11-23 20:59:58 +01:00
Code Activity

Update model viewer

Browse source
This commit is contained in:
Miloslav Číž 2019-06-21 23:02:06 +02:00
parent d75326c9da
commit 0834485f43
1 changed files with 26 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
programs/modelViewer.c
View file

@ -41,6 +41,13 @@
#define TEXTURE_W 128 #define TEXTURE_W 128
#define TEXTURE_H 128 #define TEXTURE_H 128
#define MODE_TEXTUERED 0
#define MODE_SINGLE_COLOR 1
#define MODE_NORMAL_SMOOTH 2
#define MODE_NORMAL_SHARP 3
#define MODE_BARYCENTRIC 4
#define MODE_TRIANGLE_INDEX 5
void printHelp() void printHelp()
{ {
printf("Modelviewer: example program for small3dlib.\n\n"); printf("Modelviewer: example program for small3dlib.\n\n");
@ -162,7 +169,7 @@ void drawPixel(S3L_PixelInfo *p)
{ {
int16_t index; int16_t index;
if (mode == 0) if (mode == MODE_TEXTUERED)
{ {
index = p->triangleIndex * 3; index = p->triangleIndex * 3;
@ -185,7 +192,7 @@ void drawPixel(S3L_PixelInfo *p)
uv2[0] = uvs[index]; uv2[0] = uvs[index];
uv2[1] = uvs[index + 1]; uv2[1] = uvs[index + 1];
} }
else if (mode == 3) else if (mode == MODE_NORMAL_SHARP)
{ {
index = p->triangleIndex * 3; index = p->triangleIndex * 3;
@ -222,7 +229,7 @@ void drawPixel(S3L_PixelInfo *p)
nt.z = S3L_clamp(128 + nt.z / 4,0,255); nt.z = S3L_clamp(128 + nt.z / 4,0,255);
} }
if (light || mode == 2) if (light || mode == MODE_NORMAL_SMOOTH)
{ {
index = scene.models[p->modelIndex].triangles[p->triangleIndex * 3] * 3; index = scene.models[p->modelIndex].triangles[p->triangleIndex * 3] * 3;
@ -262,13 +269,16 @@ void drawPixel(S3L_PixelInfo *p)
p->barycentric[2] != 0) p->barycentric[2] != 0)
return; return;
uint8_t r,g,b; uint8_t
r = 0,
g = 0,
b = 0;
int8_t transparent = 0; int8_t transparent = 0;
switch (mode) switch (mode)
{ {
case 0: // textured mode case MODE_TEXTUERED:
{ {
S3L_Unit uv[2]; S3L_Unit uv[2];
@ -283,7 +293,7 @@ void drawPixel(S3L_PixelInfo *p)
break; break;
} }
case 1: // single color mode case MODE_SINGLE_COLOR:
{ {
r = 128; r = 128;
g = 128; g = 128;
@ -292,7 +302,7 @@ void drawPixel(S3L_PixelInfo *p)
break; break;
} }
case 2: // smooth normal mode case MODE_NORMAL_SMOOTH:
{ {
S3L_Vec4 n; S3L_Vec4 n;
@ -309,7 +319,7 @@ void drawPixel(S3L_PixelInfo *p)
break; break;
} }
case 3: // non-smooth normal mode case MODE_NORMAL_SHARP:
{ {
r = nt.x; r = nt.x;
g = nt.y; g = nt.y;
@ -317,7 +327,7 @@ void drawPixel(S3L_PixelInfo *p)
break; break;
} }
case 4: // barycentric mode case MODE_BARYCENTRIC:
{ {
r = p->barycentric[0] >> 1; r = p->barycentric[0] >> 1;
g = p->barycentric[1] >> 1; g = p->barycentric[1] >> 1;
@ -325,7 +335,7 @@ void drawPixel(S3L_PixelInfo *p)
break; break;
} }
case 5: // triangle index mode case MODE_TRIANGLE_INDEX:
{ {
r = S3L_min(p->triangleIndex,255); r = S3L_min(p->triangleIndex,255);
g = r; g = r;
@ -548,17 +558,17 @@ int main()
} }
if (state[SDL_SCANCODE_KP_0]) if (state[SDL_SCANCODE_KP_0])
mode = 0; mode = MODE_TEXTUERED;
else if (state[SDL_SCANCODE_KP_1]) else if (state[SDL_SCANCODE_KP_1])
mode = 1; mode = MODE_SINGLE_COLOR;
else if (state[SDL_SCANCODE_KP_2]) else if (state[SDL_SCANCODE_KP_2])
mode = 2; mode = MODE_NORMAL_SMOOTH;
else if (state[SDL_SCANCODE_KP_3]) else if (state[SDL_SCANCODE_KP_3])
mode = 3; mode = MODE_NORMAL_SHARP;
else if (state[SDL_SCANCODE_KP_4]) else if (state[SDL_SCANCODE_KP_4])
mode = 4; mode = MODE_BARYCENTRIC;
else if (state[SDL_SCANCODE_KP_5]) else if (state[SDL_SCANCODE_KP_5])
mode = 5; mode = MODE_TRIANGLE_INDEX;
if (modelIndex == 2) if (modelIndex == 2)
animate(((double) clock()) / CLOCKS_PER_SEC); animate(((double) clock()) / CLOCKS_PER_SEC);