Advanced Rendering | Blending - Addidtive

Blending - Addidtive

Given a program that draws a candle with a halo effect. The halo is rendered using several alpha blended overlaid planes. Modify the program so that the halos from the rectangles accumulate to create a glow effect.

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vertex.glsl fragment.glsl .properties

uniform mat4 modelMatrix;

uniform mat4 viewMatrix;

uniform mat4 projectionMatrix;

in vec3 position;

in vec2 uv;

out vec2 vUv;

void main() {

vUv = uv;

gl_Position = projectionMatrix * viewMatrix * modelMatrix * vec4(position, 1.0);

}

Expected

Output