From 1575c27795f7bb78bae23a7e722fb6fee8c8fc89 Mon Sep 17 00:00:00 2001 From: klemek Date: Fri, 12 Sep 2025 10:43:48 +0200 Subject: [PATCH] fix ratio --- src/forge.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/src/forge.c b/src/forge.c index 89db49b..2ebc971 100644 --- a/src/forge.c +++ b/src/forge.c @@ -37,8 +37,8 @@ static const char *fragment_shader_text = " vec2 uv0 = vUV.st;\n" " float ratio = iResolution.x / iResolution.y;\n" " vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);\n" - " vec3 color = vec3(vUV, 0.0);\n" - " color *= 1 - step(abs(sin(iTime) * 0.5),length(uv1));\n" + " vec3 color = vec3(vUV, sin(iTime * 0.5) * 0.5 + 0.5);\n" + " color *= 1 - step(cos(iTime) * 0.5 + 0.5,length(uv1));\n" " fragColor = vec4(color, 1.0);\n" "}\n"; @@ -120,7 +120,6 @@ ShaderProgram init_program() { void loop(GLFWwindow *window, ShaderProgram program) { int width, height; glfwGetFramebufferSize(window, &width, &height); - const float ratio = width / (float)height; vec2 resolution = {(float)width, (float)height}; glViewport(0, 0, width, height); @@ -128,7 +127,7 @@ void loop(GLFWwindow *window, ShaderProgram program) { mat4x4 m, p, mvp; mat4x4_identity(m); - mat4x4_ortho(p, 0, ratio, 0.0f, 1.0f, 1.0f, 0.0f); + mat4x4_ortho(p, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f); mat4x4_mul(mvp, p, m); glUseProgram(program.program);