Update src/app.py
Browse files- src/app.py +20 -125
src/app.py
CHANGED
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@@ -1,148 +1,43 @@
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import streamlit as st
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import json
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# -------------------------------
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# Use /data folder for persistent storage
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# -------------------------------
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DATA_DIR = Path("./data")
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DATA_DIR.mkdir(exist_ok=True)
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COMMENTS_FILE = DATA_DIR / "comments.json"
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# Load existing comments
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if COMMENTS_FILE.exists():
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with open(COMMENTS_FILE, "r") as f:
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comments = json.load(f)
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else:
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comments = []
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#
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void mainImage(out vec4 fragColor, in vec2 fragCoord) {
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vec2 uv = fragCoord / iResolution.xy;
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vec3 col = 0.5 + 0.5*cos(iTime + uv.xyx + vec3(0,2,4));
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fragColor = vec4(col,1.0);
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}
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void main() { mainImage(gl_FragColor, gl_FragCoord.xy); }
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"""
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latest_shader = shader_code_default
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for c in reversed(comments):
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if c.get("type") == "shader":
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latest_shader = c["content"]
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break
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# -------------------------------
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# Shader editor
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# -------------------------------
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shader_code = st.text_area("Shader Code (GLSL Fragment Shader)", latest_shader, height=250)
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# -------------------------------
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# WebGL Canvas
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# -------------------------------
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html_code = f"""
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<canvas id="glcanvas" width="800" height="500"></canvas>
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<script>
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const canvas = document.getElementById('glcanvas');
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const gl = canvas.getContext('webgl');
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if (!gl) {{
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alert('WebGL not supported');
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}}
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const vertCode = `
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attribute vec4 a_position;
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void main() {{
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gl_Position = a_position;
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}}
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`;
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const fragCode = `{shader_code}`;
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function createShader(gl, type, source) {{
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const shader = gl.createShader(type);
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gl.shaderSource(shader, source);
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gl.compileShader(shader);
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if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {{
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alert(gl.getShaderInfoLog(shader));
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}}
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return shader;
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}}
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const vertexShader = createShader(gl, gl.VERTEX_SHADER, vertCode);
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const fragmentShader = createShader(gl, gl.FRAGMENT_SHADER, fragCode);
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const program = gl.createProgram();
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gl.attachShader(program, vertexShader);
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gl.attachShader(program, fragmentShader);
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gl.linkProgram(program);
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gl.useProgram(program);
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const positionBuffer = gl.createBuffer();
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gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
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gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
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-1, -1, 1, -1, -1, 1,
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-1, 1, 1, -1, 1, 1
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]), gl.STATIC_DRAW);
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const positionLoc = gl.getAttribLocation(program, "a_position");
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gl.enableVertexAttribArray(positionLoc);
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gl.vertexAttribPointer(positionLoc, 2, gl.FLOAT, false, 0, 0);
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const iResolution = gl.getUniformLocation(program, "iResolution");
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const iTime = gl.getUniformLocation(program, "iTime");
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function render(time) {{
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gl.uniform2f(iResolution, canvas.width, canvas.height);
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gl.uniform1f(iTime, time * 0.001);
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gl.drawArrays(gl.TRIANGLES, 0, 6);
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requestAnimationFrame(render);
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}}
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requestAnimationFrame(render);
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</script>
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"""
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st.components.v1.html(html_code, height=520)
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# -------------------------------
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# Comments Section
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# -------------------------------
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st.markdown("---")
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st.subheader("💬 Comments / Add New Shader")
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##comment_type = st.radio("Type", ["Normal Comment", "New Shader"])
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with st.form("comment_form", clear_on_submit=True):
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user_name = st.text_input("Your name", "")
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user_content = st.text_area("Content",
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submitted = st.form_submit_button("Submit")
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if submitted and user_content.strip():
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new_comment = {
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"name": user_name or "Anonymous",
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"content": user_content
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}
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comments.append(new_comment)
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#
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with open(COMMENTS_FILE, "w") as f:
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json.dump(comments, f, indent=2)
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st.success("Saved!")
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# Display all comments
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for c in reversed(comments):
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st.markdown(f"**{c['name']}**: {c['content']}")
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import streamlit as st
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import json
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import os
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# --- Paths ---
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COMMENTS_FILE = "data/comments.json"
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os.makedirs("data", exist_ok=True)
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# --- Load existing comments ---
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if os.path.exists(COMMENTS_FILE):
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with open(COMMENTS_FILE, "r") as f:
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comments = json.load(f)
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else:
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comments = []
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# --- Comments Section ---
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st.subheader("Comments")
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if comments:
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for c in comments:
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st.write(f"**{c['name']}**: {c['content']}")
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else:
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st.write("_No comments yet_")
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# --- Add a new comment ---
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with st.form("comment_form", clear_on_submit=True):
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user_name = st.text_input("Your name", "")
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user_content = st.text_area("Content", height=80)
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submitted = st.form_submit_button("Submit")
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if submitted and user_content.strip():
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# --- Create new comment ---
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new_comment = {
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"name": user_name or "Anonymous",
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"content": user_content
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}
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# --- Append and save to JSON ---
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comments.append(new_comment)
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with open(COMMENTS_FILE, "w") as f:
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json.dump(comments, f, indent=2) # THIS line writes the JSON
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st.success("Saved!")
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