From a03c50598c13bfd9bc4be6f30aff34b5635433b4 Mon Sep 17 00:00:00 2001 From: "C. J. Howard" Date: Sat, 2 Oct 2021 08:22:18 +0800 Subject: [PATCH] Pack vmag into star's vertex color alpha --- src/game/states/loading.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/game/states/loading.cpp b/src/game/states/loading.cpp index df07ad0..5faf659 100644 --- a/src/game/states/loading.cpp +++ b/src/game/states/loading.cpp @@ -721,7 +721,7 @@ void extrasolar_heliogenesis(game::context* ctx) std::size_t star_count = 0; if (star_catalog->size() > 0) star_count = star_catalog->size() - 1; - std::size_t star_vertex_size = 6; + std::size_t star_vertex_size = 7; std::size_t star_vertex_stride = star_vertex_size * sizeof(float); float* star_vertex_data = new float[star_count * star_vertex_size]; float* star_vertex = star_vertex_data; @@ -785,6 +785,7 @@ void extrasolar_heliogenesis(game::context* ctx) *(star_vertex++) = static_cast(scaled_color.x); *(star_vertex++) = static_cast(scaled_color.y); *(star_vertex++) = static_cast(scaled_color.z); + *(star_vertex++) = static_cast(vmag); } // Unload star catalog @@ -805,7 +806,7 @@ void extrasolar_heliogenesis(game::context* ctx) std::size_t vao_offset = 0; vao->bind_attribute(VERTEX_POSITION_LOCATION, *vbo, 3, gl::vertex_attribute_type::float_32, star_vertex_stride, 0); vao_offset += 3; - vao->bind_attribute(VERTEX_COLOR_LOCATION, *vbo, 3, gl::vertex_attribute_type::float_32, star_vertex_stride, sizeof(float) * vao_offset); + vao->bind_attribute(VERTEX_COLOR_LOCATION, *vbo, 4, gl::vertex_attribute_type::float_32, star_vertex_stride, sizeof(float) * vao_offset); // Load star material material* star_material = ctx->resource_manager->load("fixed-star.mtl");