Delete src/sa2.py

src/sa2.py

@@ -1,115 +0,0 @@
-import streamlit as st
-import streamlit.components.v1 as components
-
-st.title("Mobile-Friendly Shader Demo")
-
-# HTML + JS shader component
-html_code = """
-<canvas id="glcanvas"></canvas>
-<script type="text/javascript">
-// Setup canvas
-const canvas = document.getElementById('glcanvas');
-const gl = canvas.getContext('webgl');
-if (!gl) { alert('WebGL not supported'); }
-
-// Resize canvas to fit screen
-function resizeCanvas() {
-    canvas.width = window.innerWidth * window.devicePixelRatio;
-    canvas.height = window.innerHeight * 0.6 * window.devicePixelRatio; // ~60% height
-}
-window.addEventListener('resize', resizeCanvas);
-resizeCanvas();
-
-// Vertex shader
-const vertCode = `
-attribute vec4 position;
-void main() { gl_Position = position; }
-`;
-
-// Fragment shader
-const fragCode = `
-precision mediump float;
-uniform float iTime;
-uniform vec2 iMouse;
-uniform vec2 iResolution;
-void main() {
-    vec2 uv = gl_FragCoord.xy / iResolution.xy;
-    vec3 color = vec3(
-        uv.x + iMouse.x*0.5 + 0.5*sin(iTime),
-        uv.y + iMouse.y*0.5 + 0.5*cos(iTime),
-        0.5 + 0.5*sin(iTime)
-    );
-    gl_FragColor = vec4(color, 1.0);
-}
-`;
-
-// Shader compile helper
-function compileShader(gl, source, type) {
-    const shader = gl.createShader(type);
-    gl.shaderSource(shader, source);
-    gl.compileShader(shader);
-    if(!gl.getShaderParameter(shader, gl.COMPILE_STATUS)){
-        console.error(gl.getShaderInfoLog(shader));
-        return null;
-    }
-    return shader;
-}
-
-// Compile shaders
-const vertShader = compileShader(gl, vertCode, gl.VERTEX_SHADER);
-const fragShader = compileShader(gl, fragCode, gl.FRAGMENT_SHADER);
-
-// Link program
-const program = gl.createProgram();
-gl.attachShader(program, vertShader);
-gl.attachShader(program, fragShader);
-gl.linkProgram(program);
-gl.useProgram(program);
-
-// Fullscreen quad
-const vertices = new Float32Array([-1,-1, 1,-1, -1,1, -1,1, 1,-1, 1,1]);
-const buffer = gl.createBuffer();
-gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
-gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);
-const position = gl.getAttribLocation(program, "position");
-gl.enableVertexAttribArray(position);
-gl.vertexAttribPointer(position, 2, gl.FLOAT, false, 0, 0);
-
-// Uniform locations
-const iTime = gl.getUniformLocation(program, "iTime");
-const iResolution = gl.getUniformLocation(program, "iResolution");
-const iMouse = gl.getUniformLocation(program, "iMouse");
-
-// Initial mouse
-let mouseX = 0.5;
-let mouseY = 0.5;
-
-// Mouse / touch events
-canvas.addEventListener('mousemove', e => {
-    const rect = canvas.getBoundingClientRect();
-    mouseX = (e.clientX - rect.left) / rect.width;
-    mouseY = 1.0 - (e.clientY - rect.top) / rect.height;
-});
-canvas.addEventListener('touchmove', e => {
-    e.preventDefault();
-    const rect = canvas.getBoundingClientRect();
-    const touch = e.touches[0];
-    mouseX = (touch.clientX - rect.left) / rect.width;
-    mouseY = 1.0 - (touch.clientY - rect.top) / rect.height;
-}, {passive:false});
-
-// Animation loop
-function render() {
-    gl.viewport(0, 0, canvas.width, canvas.height);
-    gl.uniform2f(iResolution, canvas.width, canvas.height);
-    gl.uniform2f(iMouse, mouseX, mouseY);
-    gl.uniform1f(iTime, performance.now() / 1000.0);
-    gl.drawArrays(gl.TRIANGLES, 0, 6);
-    requestAnimationFrame(render);
-}
-render();
-</script>
-"""
-
-components.html(html_code, height=400)
-st.markdown("**Instructions:** Move your mouse (desktop) or touch (mobile) the canvas to change colors in real time.")