mirror_js/WebGL-Fluid-Simulation
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can't figure this out rn, would come later

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This commit is contained in:
Pavel Dobryakov
2020-05-29 19:51:03 +03:00
parent bfb463621c
commit 54ed78b00d
1 changed files with 14 additions and 5 deletions
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19
script.js
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@@ -201,7 +201,7 @@ function supportRenderTextureFormat (gl, internalFormat, format, type) {
gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0);
const status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
let status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
return status == gl.FRAMEBUFFER_COMPLETE;
}
@@ -400,7 +400,7 @@ function createProgram (vertexShader, fragmentShader) {
gl.linkProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS))
throw gl.getProgramInfoLog(program);
console.trace(gl.getProgramInfoLog(program));
return program;
}
@@ -423,7 +423,7 @@ function compileShader (type, source, keywords) {
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
throw gl.getShaderInfoLog(shader);
console.trace(gl.getShaderInfoLog(shader));
return shader;
};
@@ -858,8 +858,10 @@ const vorticityShader = compileShader(gl.FRAGMENT_SHADER, `
force *= curl * C;
force.y *= -1.0;
vec2 vel = texture2D(uVelocity, vUv).xy;
gl_FragColor = vec4(vel + force * dt, 0.0, 1.0);
vec2 velocity = texture2D(uVelocity, vUv).xy;
velocity += force * dt;
velocity = min(max(velocity, -1000.0), 1000.0);
gl_FragColor = vec4(velocity, 0.0, 1.0);
}
`);
@@ -934,10 +936,17 @@ const blit = (() => {
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
}
// CHECK_FRAMEBUFFER_STATUS();
gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0);
}
})();
function CHECK_FRAMEBUFFER_STATUS () {
let status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
if (status != gl.FRAMEBUFFER_COMPLETE)
console.trace("Framebuffer error: " + status);
}
let dye;
let velocity;
let divergence;