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fix ray tracer projection plane

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IlyaShurupov 2024-06-18 23:47:19 +03:00 • committed by Ilya Shurupov
parent 39c3d88f7a
commit 351a5d842e
6 changed files with 37 additions and 16 deletions
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4
Math/private/Camera.cpp
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@ -57,7 +57,7 @@ Mat4F Camera::calculateProjectionMatrix() const {
return out;
}
Vec3F Camera::project(Vec2F normalized) {
Vec3F Camera::project(Vec2F normalized) const {
auto camMat = calculateTransformationMatrix();
auto inv = camMat.inv();
@ -68,7 +68,7 @@ Vec3F Camera::project(Vec2F normalized) {
return Vec3F(inv * world_pos4);
}
Vec2F Camera::project(const Vec3F& world) {
Vec2F Camera::project(const Vec3F& world) const {
Vec4F world_pos4(world.x, world.y, world.z, 1);
Vec4F transformed = calculateViewMatrix() * world_pos4;
transformed = calculateProjectionMatrix() * transformed;

6
Math/public/Camera.hpp
View file

@ -39,8 +39,10 @@ namespace tp {
[[nodiscard]] Mat4F calculateTransformationMatrix() const;
[[nodiscard]] Mat<halnf, 4, 4> calculateProjectionMatrix() const;
[[nodiscard]] Mat<halnf, 4, 4> calculateViewMatrix() const;
[[nodiscard]] Vec3F project(Vec2F normalized);
[[nodiscard]] Vec2F project(const Vec3F& world);
// from -1 -1 is top left corner. z is distance to the target
[[nodiscard]] Vec3F project(Vec2F normalized) const;
[[nodiscard]] Vec2F project(const Vec3F& world) const;
[[nodiscard]] static Vec2F project(const tp::Vec3F& world, const tp::Mat4F& viewMat, const tp::Mat4F& projMat);
};
}