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#include "example.h"
Vert** quad;
static Vec3 verts[] = {
// front face
{1, 1, 1}, {-1, 1, 1}, {-1, -1, 1}, {1, -1, 1},
// back face
{1, 1, -1}, {-1, 1, -1}, {-1, -1, -1}, {1, -1, -1},
};
static Color colors[] = {
0xffff0000, 0xff00ff00, 0xff0000ff, 0xffff00ff,
0xffaa28aa, 0xffFFC58E, 0xffA100FF, 0xffFAFF00,
};
int face[] = {
0, 1, 2, 0, 2, 3,
1, 5, 2, 2, 5, 6,
4, 6, 5, 4, 7, 6,
0, 3, 7, 0, 7, 4,
0, 4, 1, 1, 4, 5,
2, 6, 3, 3, 6, 7
};
void vert(UniformCollection* uniforms, VertexShaderIn* in, Vec4* homocoord) {
static Vec4 p; p.xyz = *in->vertex->position; p.w = 1;
mat4_applytovec4(uniforms->mvp, &p, homocoord);
}
bool frag(UniformCollection* uniforms, FragmentShaderIn* in, Color* color) {
ssrS_bcpcolor(in->bc, in->A->color, in->B->color, in->C->color, color);
return 1;
}
Program program = { vert, frag };
void onloadtexture(void* data) {
ssr_matrixmode(MATRIX_PROJECTION);
ssr_loadidentity();
ssr_perspective(90, 1.25f, 0.1f, 10);
//ssr_ortho(-5, 5, -4, 4, 0.1, 10);
ssr_matrixmode(MATRIX_VIEW);
ssr_loadidentity();
Vec3 p = { 0, 0, 0 }, target = { 0, 0, -1 };
ssr_lookat(&p, &target, &vec3up);
quad = ssrM_newvector(Vert*, 8);
quad[0] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[1] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[2] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[3] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[4] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[5] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[6] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[7] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
quad[0]->index = 0; *quad[0]->position = verts[0]; quad[0]->color = colors[0];
quad[1]->index = 1; *quad[1]->position = verts[1]; quad[1]->color = colors[1];
quad[2]->index = 2; *quad[2]->position = verts[2]; quad[2]->color = colors[2];
quad[3]->index = 3; *quad[3]->position = verts[3]; quad[3]->color = colors[3];
quad[4]->index = 4; *quad[4]->position = verts[4]; quad[4]->color = colors[4];
quad[5]->index = 5; *quad[5]->position = verts[5]; quad[5]->color = colors[5];
quad[6]->index = 6; *quad[6]->position = verts[6]; quad[6]->color = colors[6];
quad[7]->index = 7; *quad[7]->position = verts[7]; quad[7]->color = colors[7];
ssr_bindvertices(quad, 8, face, 12);
ssr_useprogram(&program);
ssr_enable(ENABLEMASK_BACKFACECULL);
ssr_enable(ENABLEMASK_DEPTHTEST);
}
void oneventtexture(void* data) {
SDL_Event* e = (SDL_Event*)data;
}
static float _t = 0;
void onupdatetexture(void*data) {
uint dt = *(uint*)data;
ssr_matrixmode(MATRIX_MODEL);
ssr_loadidentity();
ssr_translate(0, 0, -3);
ssr_rotate(_t -= dt / 50.f, 1, 1, 1);
}
void ondrawtexture(void*data) {
ssr_clearcolor(0x00);
ssr_cleardepth();
ssr_draw(PRIMITIVE_TRIANGLE);
}
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