From d9aeab2757c47c0a1f338235dfa4015f887c64a7 Mon Sep 17 00:00:00 2001 From: dec05eba Date: Sat, 13 Jun 2020 11:35:30 +0200 Subject: Set width/height ratio of plane to the same as the target window and reduce curvature --- build.sh | 2 +- src/main.cpp | 30 ++++++++++++++++-------------- 2 files changed, 17 insertions(+), 15 deletions(-) diff --git a/build.sh b/build.sh index bfb0aec..f7caef1 100755 --- a/build.sh +++ b/build.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/sh -e dependencies="glm glew sdl2 openvr x11 xcomposite" includes=$(pkg-config --cflags $dependencies) diff --git a/src/main.cpp b/src/main.cpp index d92b66b..62302b4 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -436,6 +436,7 @@ CMainApplication::CMainApplication( int argc, char *argv[] ) { const char *projection_arg = nullptr; const char *view_mode_arg = nullptr; + bool zoom_set = false; for(int i = 1; i < argc; ++i) { if(strcmp(argv[i], "--flat") == 0) { @@ -448,6 +449,7 @@ CMainApplication::CMainApplication( int argc, char *argv[] ) } else if(strcmp(argv[i], "--zoom") == 0 && i < argc - 1) { zoom = atof(argv[i + 1]); ++i; + zoom_set = true; } else if(strcmp(argv[i], "--left-right") == 0) { if(view_mode_arg) { fprintf(stderr, "Error: --left-right option can't be used together with the %s option\n", view_mode_arg); @@ -496,7 +498,7 @@ CMainApplication::CMainApplication( int argc, char *argv[] ) usage(); } - if(projection_mode != ProjectionMode::SPHERE && fabs(zoom) <= 0.00001) { + if(!zoom_set && projection_mode != ProjectionMode::SPHERE) { zoom = 1.0; } @@ -1502,7 +1504,7 @@ void CMainApplication::AddCubeToScene( const glm::mat4 &mat, std::vector glm::vec4 G = mat * glm::vec4( 1, 1, 1, 1 ); glm::vec4 H = mat * glm::vec4( 0, 1, 1, 1 ); - double width_ratio = ((double)pixmap_texture_width * 0.5) / (double)pixmap_texture_height; + double width_ratio = (double)pixmap_texture_width / (double)pixmap_texture_height; if(projection_mode == ProjectionMode::SPHERE) { @@ -1512,7 +1514,7 @@ void CMainApplication::AddCubeToScene( const glm::mat4 &mat, std::vector double angle_y = 3.14; double radius_depth = 1.0; double radius_height = 0.5; - double radius = 0.5 * width_ratio; + double radius = radius_height * width_ratio * 0.5; for(long row = 0; row < rows; ++row) { for(long column = 0; column < columns; ++column) { @@ -1604,8 +1606,8 @@ void CMainApplication::AddCubeToScene( const glm::mat4 &mat, std::vector long columns = 64; double angle_start = -0.8; double angle_end = 0.8; - double radius = 4.5; - double height = radius; + double radius = 1.5 * width_ratio; + double height = 1.5; double angle_len = angle_end - angle_start; @@ -1614,9 +1616,9 @@ void CMainApplication::AddCubeToScene( const glm::mat4 &mat, std::vector double t2 = (((double)column + 1) / (double)columns); double x1 = sin(angle_start + t1 * angle_len) * radius; - double y1 = cos(angle_start + t1 * angle_len) * radius; + double y1 = cos(angle_start + t1 * angle_len) * radius * 0.5; double x2 = sin(angle_start + t2 * angle_len) * radius; - double y2 = cos(angle_start + t2 * angle_len) * radius; + double y2 = cos(angle_start + t2 * angle_len) * radius * 0.5; // 2 n // 1 /| / | m @@ -1624,17 +1626,17 @@ void CMainApplication::AddCubeToScene( const glm::mat4 &mat, std::vector // |/ 2 n/ | // 1 m - AddCubeVertex(x1, height / 2, zoom + y1, 1 - t1, 0, vertdata); - AddCubeVertex(x2, height / 2, zoom + y2, 1 - t2, 0, vertdata); - AddCubeVertex(x1, -height / 2, zoom + y1, 1 - t1, 1, vertdata); + AddCubeVertex(x1, height, zoom + y1, 1 - t1, 0, vertdata); + AddCubeVertex(x2, height, zoom + y2, 1 - t2, 0, vertdata); + AddCubeVertex(x1, -height, zoom + y1, 1 - t1, 1, vertdata); - AddCubeVertex(x1, -height / 2, zoom + y1, 1 - t1, 1, vertdata); - AddCubeVertex(x2, height / 2, zoom + y2, 1 - t2, 0, vertdata); - AddCubeVertex(x2, -height / 2, zoom + y2, 1 - t2, 1, vertdata); + AddCubeVertex(x1, -height, zoom + y1, 1 - t1, 1, vertdata); + AddCubeVertex(x2, height, zoom + y2, 1 - t2, 0, vertdata); + AddCubeVertex(x2, -height, zoom + y2, 1 - t2, 1, vertdata); } } else if (projection_mode == ProjectionMode::FLAT) { - double width = (stretch ? 1.0 : 0.5) * width_ratio; double height = 0.5; + double width = height * (stretch ? 1.0 : 0.5) * width_ratio; AddCubeVertex(-width, height, zoom, 1.0, 0.0, vertdata); AddCubeVertex(width, height, zoom, 0.0, 0.0, vertdata); AddCubeVertex(-width, -height, zoom, 1.0, 1.0, vertdata); -- cgit v1.2.3