From 0d10b77f77459333c5549711334f417623ab1f3e Mon Sep 17 00:00:00 2001 From: vimene Date: Sat, 17 Jan 2026 00:06:31 +0100 Subject: improved software shaders - unified terminal and graphical software renderer shaders - added vertex shaders for software renderers - removed VertexData - moved shaders from frame buffers to their own class - added FrameBufferConcept and ShadersConcept --- src/fb/chfb.cpp | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) (limited to 'src/fb/chfb.cpp') diff --git a/src/fb/chfb.cpp b/src/fb/chfb.cpp index 7341015..e7717eb 100644 --- a/src/fb/chfb.cpp +++ b/src/fb/chfb.cpp @@ -3,15 +3,10 @@ #include #include "math/vector.hpp" #include "math/quat.hpp" -#include "o3d/vertex_data.hpp" #include "o3d/camera.hpp" using namespace engine::fb; -using - engine::math::Vector2, - engine::math::Vector3, - engine::o3d::VertexData, - engine::o3d::Camera; +using engine::math::Vector4; CharacterFrameBuffer::CharacterFrameBuffer(unsigned int w, unsigned int h) { resize(w, h); @@ -30,11 +25,9 @@ void CharacterFrameBuffer::clear() { // taken from https://stackoverflow.com/a/74186686 char brightness_chars[] = " `.-':_,^=;><+!rc*/z?sLTv)J7(|Fi{C}fI31tlu[neoZ5Yxjya]2ESwqkP6h9d4VpOGbUAKXHm8RD#$Bg0MNWQ%&@"; -extern Camera* camera; -void CharacterFrameBuffer::draw_point(int x, int y, const Vector3& /* loc */, const Vector3& normal, const Vector2& /* uv */, const VertexData& /* vd */) { - auto v = camera->transform.rot.conjugate().rot(normal).normalize(); - float light = .1f + (v.z < 0.f ? 0.f : v.z) * .9f; +void CharacterFrameBuffer::draw_point(int x, int y, const Vector4& point) { + float light = .2126f * point.x + .7152f * point.y + .0722f * point.z; std::uint32_t c = (int) (light * static_cast(sizeof(brightness_chars) - 1)); chars_vector[x + y * w] = brightness_chars[c]; } -- cgit v1.2.3