From 4dbdd497db5477f9557fde7d4a263f2e4157a890 Mon Sep 17 00:00:00 2001
From: mmyduckx <308303735@qq.com>
Date: Wed, 5 Jul 2023 17:53:22 +0800
Subject: [PATCH 1/2] add constrain for wechat logo default ratio

---
 templates/wechatgame/first-screen.ejs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/templates/wechatgame/first-screen.ejs b/templates/wechatgame/first-screen.ejs
index c172c69c2bb..29ed2e69a2a 100644
--- a/templates/wechatgame/first-screen.ejs
+++ b/templates/wechatgame/first-screen.ejs
@@ -179,9 +179,10 @@ function initProgressVertexBuffer() {
 }
 
 function updateVertexBuffer() {
-    // the ratio value may be adjusted according to the expected image display effect
-    const widthRatio = image.width / canvas.width * 1.35 * displayRatio; 
-    const heightRatio = image.height / canvas.height * 1.35 * displayRatio;
+    // By default, maintain aspect ratio by constraining display at 200px height
+    const defaultRatio = 200 / image.width;
+    const widthRatio = image.width / canvas.width * 1.35 * defaultRatio * displayRatio;
+    const heightRatio = image.height / canvas.height * 1.35 * defaultRatio * displayRatio;
     const heightOffset = 1/6; // canvas:(-1,1) -> (button, top); heightOffset = (5/12) * (-2) + 1 = 1/6
     const vertices = new Float32Array([
         widthRatio, heightOffset - heightRatio, 1.0, 1.0,

From 3c8b433966addd5a5f680232a60997fcefab0978 Mon Sep 17 00:00:00 2001
From: mmyduckx <308303735@qq.com>
Date: Wed, 5 Jul 2023 18:42:46 +0800
Subject: [PATCH 2/2] fix typo

---
 templates/wechatgame/first-screen.ejs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/wechatgame/first-screen.ejs b/templates/wechatgame/first-screen.ejs
index 29ed2e69a2a..1e25ee187fe 100644
--- a/templates/wechatgame/first-screen.ejs
+++ b/templates/wechatgame/first-screen.ejs
@@ -180,7 +180,7 @@ function initProgressVertexBuffer() {
 
 function updateVertexBuffer() {
     // By default, maintain aspect ratio by constraining display at 200px height
-    const defaultRatio = 200 / image.width;
+    const defaultRatio = 200 / image.height;
     const widthRatio = image.width / canvas.width * 1.35 * defaultRatio * displayRatio;
     const heightRatio = image.height / canvas.height * 1.35 * defaultRatio * displayRatio;
     const heightOffset = 1/6; // canvas:(-1,1) -> (button, top); heightOffset = (5/12) * (-2) + 1 = 1/6