mitchellhansen/voxel-raycaster
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Added a 1/4 working phong shading function, breaks when the light

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direction in in negative values. The normals of voxels also are
symmetrical which needs to be fixed.
This commit is contained in:
MitchellHansen
2016-10-02 23:42:13 -07:00
parent ed56511eab
commit 1c750451f3
3 changed files with 130 additions and 49 deletions
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29
src/main.cpp
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@@ -143,8 +143,9 @@ int main() {
c.create_buffer("cam_pos_buffer", sizeof(float) * 4, (void*)camera.get_position_pointer(), CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR);
// {r, g, b, i, x, y, z, x', y', z'}
float light[] = { 0.4, 0.8, 0.1, 1, 50, 50, 50, 1.1, 0.4, 0.7};
c.create_buffer("light_buffer", sizeof(float) * 10, light);
sf::Vector3f v = Normalize(sf::Vector3f(1.0, 1.0, 0.0));
float light[] = { 0.4, 0.8, 0.1, 1, 50, 50, 50, v.x, v.y, v.z};
c.create_buffer("light_buffer", sizeof(float) * 10, light, CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR);
int light_count = 1;
c.create_buffer("light_count_buffer", sizeof(int), &light_count);
@@ -222,6 +223,10 @@ int main() {
debug_text cam_text_mov_y(5, 30, &mp->y, "Y: ");
debug_text cam_text_mov_z(6, 30, &mp->y, "Z: ");
//debug_text cam_text_z(3, 30, &p->z);
debug_text light_x (7, 30, &light[7], "X: ");
debug_text light_y(8, 30, &light[8], "Y: ");
debug_text light_z(9, 30, &light[9], "Z: ");
// ===============================================================================
// Mouse capture
@@ -304,6 +309,22 @@ int main() {
// ==== DELTA TIME LOCKED ====
}
float l[] = {
light[9] * sin(delta_time) + light[7] * cos(delta_time),
light[8],
light[9] * cos(delta_time) - light[7] * sin(delta_time)
};
float l2[] = {
l[0] * cos(delta_time) - l[2] * sin(delta_time),
l[0] * sin(delta_time) + l[2] * cos(delta_time),
l[2]
};
light[7] = l[0];
light[8] = l[1];
light[9] = l[2];
// ==== FPS LOCKED ====
camera.update(delta_time);
@@ -326,6 +347,10 @@ int main() {
cam_text_mov_x.draw(&window);
cam_text_mov_y.draw(&window);
cam_text_mov_z.draw(&window);
light_x.draw(&window);
light_y.draw(&window);
light_z.draw(&window);
window.display();