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Continue city demo

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This commit is contained in:
Miloslav Číž 2019-06-18 01:41:02 +02:00
parent 1c4e66274f
commit 8c4649640f
3 changed files with 1111 additions and 1026 deletions
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104
programs/carModel.h Normal file
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@ -0,0 +1,104 @@
#ifndef CAR_MODEL_H
#define CAR_MODEL_H
#define CAR_VERTEX_COUNT 12
const S3L_Unit carVertices[CAR_VERTEX_COUNT * 3] = {
-159, 27, -121, // 0
-119, 205, -88, // 3
-119, 205, 88, // 6
47, 27, -121, // 9
7, 205, -88, // 12
7, 205, 88, // 15
-152, 116, 159, // 18
40, 116, 159, // 21
-159, 103, 267, // 24
-144, 27, 267, // 27
32, 27, 267, // 30
47, 103, 267 // 33
}; // carVertices
#define CAR_TRIANGLE_COUNT 18
const S3L_Index carTriangleIndices[CAR_TRIANGLE_COUNT * 3] = {
4, 3, 5, // 0
2, 7, 6, // 3
1, 0, 4, // 6
7, 5, 3, // 9
2, 4, 5, // 12
2, 0, 1, // 15
9, 6, 8, // 18
7, 8, 6, // 21
3, 4, 0, // 24
8, 10, 9, // 27
7, 3, 10, // 30
0, 6, 9, // 33
6, 0, 2, // 36
10, 11, 7, // 39
2, 5, 7, // 42
2, 1, 4, // 45
7, 11, 8, // 48
8, 11, 10 // 51
}; // carTriangleIndices
#define CAR_UV_COUNT 24
const S3L_Unit carUVs[CAR_UV_COUNT * 2] = {
451, 476, // 0
459, 509, // 2
422, 477, // 4
422, 476, // 6
409, 451, // 8
409, 476, // 10
451, 476, // 12
484, 476, // 14
451, 451, // 16
409, 492, // 18
422, 451, // 20
422, 477, // 22
459, 509, // 24
451, 476, // 26
398, 509, // 28
409, 492, // 30
398, 493, // 32
397, 476, // 34
484, 451, // 36
386, 451, // 38
386, 476, // 40
398, 509, // 42
398, 493, // 44
397, 451 // 46
}; // carUVs
#define CAR_UV_INDEX_COUNT 18
const S3L_Index carUVIndices[CAR_UV_INDEX_COUNT * 3] = {
0, 1, 2, // 0
3, 4, 5, // 3
6, 7, 8, // 6
9, 2, 1, // 9
3, 8, 10, // 12
11, 12, 13, // 15
14, 15, 16, // 18
4, 17, 5, // 21
18, 8, 7, // 24
17, 19, 20, // 27
9, 1, 21, // 30
12, 15, 14, // 33
15, 12, 11, // 36
21, 22, 9, // 39
3, 10, 4, // 42
3, 6, 8, // 45
4, 23, 17, // 48
17, 23, 19 // 51
}; // carUVIndices
S3L_Model3D carModel;
void carModelInit()
{
S3L_initModel3D(
carVertices,
CAR_VERTEX_COUNT,
carTriangleIndices,
CAR_TRIANGLE_COUNT,
&carModel);
}
#endif // guard

76
programs/demo.c → programs/city.c
View file

@ -25,11 +25,12 @@
#include "cityModel.h"
#include "cityTexture.h"
#include "carModel.h"
#define TEXTURE_W 256
#define TEXTURE_H 256
S3L_Model3D model;
S3L_Model3D models[2];
S3L_Scene scene;
@ -74,61 +75,60 @@ void sampleTexture(uint8_t *texture, int32_t u, int32_t v, uint8_t *r, uint8_t *
}
int16_t previousTriangle = -1;
int16_t previousModel = -1;
S3L_Unit uv0[2], uv1[2], uv2[2];
void drawPixel(S3L_PixelInfo *p)
{
/*
S3L_correctBarycentricCoords(p->barycentric);
if (p->barycentric[0] < 0 || p->barycentric[0] > 512)
printf("%d %d %d\n",p->barycentric[0],p->barycentric[1],p->barycentric[2]);
if (p->barycentric[1] < 0 || p->barycentric[1] > 512)
printf("%d %d %d\n",p->barycentric[0],p->barycentric[1],p->barycentric[2]);
if (p->barycentric[2] < 0 || p->barycentric[2] > 512)
printf("%d %d %d\n",p->barycentric[0],p->barycentric[1],p->barycentric[2]);
*/
if (p->triangleIndex != previousTriangle)
if (p->triangleIndex != previousTriangle || p->modelIndex != previousModel)
{
S3L_Index *uvIndices;
S3L_Unit *uvs;
if (p->modelIndex == 0)
{
uvIndices = cityUVIndices;
uvs = cityUVs;
}
else
{
uvIndices = carUVIndices;
uvs = carUVs;
}
int16_t index;
index = p->triangleIndex * 3;
int16_t i0 = cityUVIndices[index];
int16_t i1 = cityUVIndices[index + 1];
int16_t i2 = cityUVIndices[index + 2];
int16_t i0 = uvIndices[index];
int16_t i1 = uvIndices[index + 1];
int16_t i2 = uvIndices[index + 2];
index = i0 * 2;
uv0[0] = cityUVs[index];
uv0[1] = cityUVs[index + 1];
uv0[0] = uvs[index];
uv0[1] = uvs[index + 1];
index = i1 * 2;
uv1[0] = cityUVs[index];
uv1[1] = cityUVs[index + 1];
uv1[0] = uvs[index];
uv1[1] = uvs[index + 1];
index = i2 * 2;
uv2[0] = cityUVs[index];
uv2[1] = cityUVs[index + 1];
uv2[0] = uvs[index];
uv2[1] = uvs[index + 1];
previousTriangle = p->triangleIndex;
previousModel = p->modelIndex;
}
uint8_t r,g,b;
S3L_Unit uv[2];
uv[0] = S3L_interpolateBarycentric(uv0[0],uv1[0],uv2[0],
p->barycentric[0], p->barycentric[1], p->barycentric[2]);
uv[1] = S3L_interpolateBarycentric(uv0[1],uv1[1],uv2[1],
p->barycentric[0], p->barycentric[1], p->barycentric[2]);
uv[0] = S3L_interpolateBarycentric(uv0[0],uv1[0],uv2[0],p->barycentric);
uv[1] = S3L_interpolateBarycentric(uv0[1],uv1[1],uv2[1],p->barycentric);
sampleTexture(cityTexture,uv[0] / 2,uv[1] / 2,&r,&g,&b);
@ -154,9 +154,13 @@ int main()
SDL_Surface *screenSurface = SDL_GetWindowSurface(window);
SDL_Event event;
S3L_initModel3D(cityVertices,CITY_VERTEX_COUNT,cityTriangleIndices,CITY_TRIANGLE_COUNT,&model);
cityModelInit();
carModelInit();
S3L_initScene(&model,1,&scene);
models[0] = cityModel;
models[1] = carModel;
S3L_initScene(models,2,&scene);
scene.camera.transform.translation.z = -S3L_FRACTIONS_PER_UNIT * 8;
@ -203,14 +207,14 @@ int main()
if (!state[SDL_SCANCODE_LCTRL])
{
if (state[SDL_SCANCODE_LEFT])
model.transform.rotation.y += rotationStep;
models[0].transform.rotation.y += rotationStep;
else if (state[SDL_SCANCODE_RIGHT])
model.transform.rotation.y -= rotationStep;
models[0].transform.rotation.y -= rotationStep;
if (state[SDL_SCANCODE_DOWN])
model.transform.rotation.x += rotationStep;
models[0].transform.rotation.x += rotationStep;
else if (state[SDL_SCANCODE_UP])
model.transform.rotation.x -= rotationStep;
models[0].transform.rotation.x -= rotationStep;
}
else
{

1957
programs/cityTexture.h
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