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Update model viewer

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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
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42
programs/modelViewer.c
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@ -41,6 +41,13 @@
#define TEXTURE_W 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()
{
printf("Modelviewer: example program for small3dlib.\n\n");
@ -162,7 +169,7 @@ void drawPixel(S3L_PixelInfo *p)
{
int16_t index;
if (mode == 0)
if (mode == MODE_TEXTUERED)
{
index = p->triangleIndex * 3;
@ -185,7 +192,7 @@ void drawPixel(S3L_PixelInfo *p)
uv2[0] = uvs[index];
uv2[1] = uvs[index + 1];
}
else if (mode == 3)
else if (mode == MODE_NORMAL_SHARP)
{
index = p->triangleIndex * 3;
@ -222,7 +229,7 @@ void drawPixel(S3L_PixelInfo *p)
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;
@ -262,13 +269,16 @@ void drawPixel(S3L_PixelInfo *p)
p->barycentric[2] != 0)
return;
uint8_t r,g,b;
uint8_t
r = 0,
g = 0,
b = 0;
int8_t transparent = 0;
switch (mode)
{
case 0: // textured mode
case MODE_TEXTUERED:
{
S3L_Unit uv[2];
@ -283,7 +293,7 @@ void drawPixel(S3L_PixelInfo *p)
break;
}
case 1: // single color mode
case MODE_SINGLE_COLOR:
{
r = 128;
g = 128;
@ -292,7 +302,7 @@ void drawPixel(S3L_PixelInfo *p)
break;
}
case 2: // smooth normal mode
case MODE_NORMAL_SMOOTH:
{
S3L_Vec4 n;
@ -309,7 +319,7 @@ void drawPixel(S3L_PixelInfo *p)
break;
}
case 3: // non-smooth normal mode
case MODE_NORMAL_SHARP:
{
r = nt.x;
g = nt.y;
@ -317,7 +327,7 @@ void drawPixel(S3L_PixelInfo *p)
break;
}
case 4: // barycentric mode
case MODE_BARYCENTRIC:
{
r = p->barycentric[0] >> 1;
g = p->barycentric[1] >> 1;
@ -325,7 +335,7 @@ void drawPixel(S3L_PixelInfo *p)
break;
}
case 5: // triangle index mode
case MODE_TRIANGLE_INDEX:
{
r = S3L_min(p->triangleIndex,255);
g = r;
@ -548,17 +558,17 @@ int main()
}
if (state[SDL_SCANCODE_KP_0])
mode = 0;
mode = MODE_TEXTUERED;
else if (state[SDL_SCANCODE_KP_1])
mode = 1;
mode = MODE_SINGLE_COLOR;
else if (state[SDL_SCANCODE_KP_2])
mode = 2;
mode = MODE_NORMAL_SMOOTH;
else if (state[SDL_SCANCODE_KP_3])
mode = 3;
mode = MODE_NORMAL_SHARP;
else if (state[SDL_SCANCODE_KP_4])
mode = 4;
mode = MODE_BARYCENTRIC;
else if (state[SDL_SCANCODE_KP_5])
mode = 5;
mode = MODE_TRIANGLE_INDEX;
if (modelIndex == 2)
animate(((double) clock()) / CLOCKS_PER_SEC);