mitchellhansen/voxel-raycaster
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In the middle of a couple of things right now, but decided to focus a

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little bit less on the lighting and start laying groundwork for the SVO
The map section was in real need of some love so I deleted a bunch of
stuff and started prototyping the pointer arithmetic that I need to do
This commit is contained in:
MitchellHansen
2016-10-06 23:25:31 -07:00
parent 4c31cfaf48
commit de2f0ad6a1
6 changed files with 689 additions and 647 deletions
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35
kernels/ray_caster_kernel.cl
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@@ -20,27 +20,40 @@ float4 cast_light_rays(float3 eye_direction, float3 ray_origin, float4 voxel_col
// set the ray origin to be where the initial ray intersected the voxel
// which side z, and the x and y position
float ambient_constant = 0.5;
float intensity = 1.2;
float intensity = 0;
for (int i = 0; i < *light_count; i++) {
float3 light_direction = (lights[10 * i + 7], lights[10 * i + 8], lights[10 * i + 9]);
float c = 1.0;
float distance = sqrt(
pow(lights[10 * i + 4] - ray_origin.x, 2) +
pow(lights[10 * i + 5] - ray_origin.y, 2) +
pow(lights[10 * i + 6] - ray_origin.z, 2));
if (dot(light_direction, voxel_normal) > 0.0) {
if (distance > 50)
continue;
float3 light_direction = (lights[10 * i + 7], lights[10 * i + 8], lights[10 * i + 9]);
float c = 10.0;
//if (dot(light_direction, voxel_normal) > 0.0) {
float3 halfwayVector = normalize(light_direction + eye_direction);
float dot_prod = dot(voxel_normal, halfwayVector);
float specTmp = max((float)dot_prod, 0.0f);
intensity += pow(specTmp, c);
}
//}
}
//if (get_global_id(0) == 0)
// printf("%i", *light_count);
voxel_color *= intensity;
if (get_global_id(0) == 1037760) {
printf("%f", intensity);
voxel_color = (float4)(1.0, 1.0, 1.0, 1.0);
return voxel_color;
}
voxel_color.w *= intensity;
voxel_color.w += ambient_constant;
return voxel_color;
// for every light
@@ -176,8 +189,8 @@ __kernel void min_kern(
float3 vox = convert_float3(voxel);
float3 norm = normalize(fabs(convert_float3(mask)));
float4 color = (float4)(0.25, 0.00, 0.25, 1.00);
float3 norm = normalize(convert_float3(mask) * convert_float3(voxel_step));
float4 color = (float4)(0.95, 0.00, 0.25, 1.00);
write_imagef(image, pixel,