Igor Elovikov
65 lines
1.7 KiB
Plaintext
65 lines
1.7 KiB
Plaintext
:: import "point_cloud.sex" as pc
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pc_index = get_int("pc_index")
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total_distance = get_float2("total_distance")
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total_overlap = get_int("total_overlap")
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n = toint(get_float("$number"))
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pcloud_meta = get_float3("#pcloud_meta")
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pcloud_frag_size = get_float2("pcloud_frag_size")
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sample_origin = get_float4("sample_origin")
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sample_cloud = get_float4("sample_cloud")
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origin_uv = get_float2("origin_uv")
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gap = get_float("gap")
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last_iteration = (n == toint(pcloud_meta.x))
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self_check = (n == pc_index)
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sample_idx = n
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pos_origin = sample_origin.xy
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:: if tiled
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pos_origin = pos_origin % float2(1.0, 1.0)
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:: endif
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size_origin = sample_origin.z
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size_comp = sample_cloud.z
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size_sum = 0.5 * (size_comp + size_origin) + gap
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size_ratio = size_comp / (size_comp + size_origin)
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:: set checks = 9 if tiled else 1
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:: for i in range(checks)
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pos_comp = sample_cloud.xy + vector2({{ pc.tile_offset[i] }})
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dist_vec = pos_origin - pos_comp
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dist = length_vec2(dist_vec)
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is_overlapped = (dist < size_sum)
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overlapping_length = size_sum - dist
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push_vec = normalize_vec2(dist_vec)
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push_vec = push_vec @ (overlapping_length * size_ratio)
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is_overlapped = is_overlapped and not self_check
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total_distance = total_distance + push_vec if is_overlapped and not last_iteration else total_distance
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total_overlap = total_overlap + 1 if is_overlapped and not last_iteration else total_overlap
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:: endfor
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new_pos = pos_origin + total_distance @ (1.0 / tofloat(total_overlap)) if total_overlap > 0 else pos_origin
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:: if tiled
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new_pos = new_pos % float2(1.0, 1.0)
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:: endif
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color_out = merge_float4(new_pos.x, new_pos.y, size_origin, 1.0)
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pos_out = origin_uv
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size_out = pcloud_frag_size
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_OUT_ = last_iteration
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export(color_out)
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export(pos_out)
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export(size_out)
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export(total_distance)
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export(total_overlap) |