GCC Code Coverage Report

./
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low: ≥ 0%
medium: ≥ 75.0%
high: ≥ 90.0%
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Branches:
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libs/render/src/eu/render/debug.cc
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1 #include "eu/render/debug.h"
2
3 #include "eu/render/camera.h"
4
5 namespace eu::render
6 {
7
8 ✗ void DebugRender::add_line(const v3& from, const v3& to, const Rgb& color)
9 {
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 ✗ lines.emplace_back(DebugLine{from, to, color});
11 ✗ }
12
13 ✗ v3 world_from_ndc(const CompiledCamera& camera, const v3& ndc)
14 {
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 ✗ const auto clip_space_pos = v4{ndc, 1.0f};
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 ✗ const auto view_from_clip = camera.clip_from_view.get_inverted();
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 ✗ const auto view_space_pos = view_from_clip * clip_space_pos;
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 ✗ const auto view_space_pos_corrected = view_space_pos.to_vec3_persp_div();
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 ✗ const auto world_from_view = camera.view_from_world.get_inverted();
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 ✗ const auto world_space_pos = world_from_view * v4{ view_space_pos_corrected, 1.0f };
21 ✗ const auto out_world = v3{world_space_pos.x, world_space_pos.y, world_space_pos.z};
22 ✗ return out_world;
23 }
24
25 ✗ void draw_frustum(DebugRender* debug, const CompiledCamera& camera, const Rgb& color)
26 {
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 ✗ const auto near_bot_left = world_from_ndc(camera, {-1.0f, -1.0f, -1.0f});
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 ✗ const auto near_bot_right = world_from_ndc(camera, {+1.0f, -1.0f, -1.0f});
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 ✗ const auto near_top_left = world_from_ndc(camera, {-1.0f, +1.0f, -1.0f});
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 ✗ const auto near_top_right = world_from_ndc(camera, {+1.0f, +1.0f, -1.0f});
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 ✗ const auto far_bot_left = world_from_ndc(camera, {-1.0f, -1.0f, +1.0f});
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 ✗ const auto far_bot_right = world_from_ndc(camera, {+1.0f, -1.0f, +1.0f});
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 ✗ const auto far_top_left = world_from_ndc(camera, {-1.0f, +1.0f, +1.0f});
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 ✗ const auto far_top_right = world_from_ndc(camera, {+1.0f, +1.0f, +1.0f});
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 ✗ debug->add_line(camera.position, near_bot_left, color);
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 ✗ debug->add_line(camera.position, near_top_left, color);
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 ✗ debug->add_line(camera.position, near_bot_right, color);
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 ✗ debug->add_line(camera.position, near_top_right, color);
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 ✗ debug->add_line(near_bot_left, near_bot_right, color);
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 ✗ debug->add_line(near_bot_right, near_top_right, color);
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 ✗ debug->add_line(near_top_right, near_top_left, color);
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 ✗ debug->add_line(near_top_left, near_bot_left, color);
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 ✗ debug->add_line(far_bot_left, far_bot_right, color);
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 ✗ debug->add_line(far_bot_right, far_top_right, color);
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 ✗ debug->add_line(far_top_right, far_top_left, color);
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 ✗ debug->add_line(far_top_left, far_bot_left, color);
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 ✗ debug->add_line(near_bot_left, far_bot_left, color);
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 ✗ debug->add_line(near_bot_right, far_bot_right, color);
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 ✗ debug->add_line(near_top_left, far_top_left, color);
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 ✗ debug->add_line(near_top_right, far_top_right, color);
52 ✗ }
53
54
55 }
56