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25 lines
608 B
C

#ifdef GL_ES
precision mediump float;
#else
// Since glsl 1.1 doesn't define precision qualifiers but GL_ES does,
// Define them as nothing to avoid compilation issues.
#define lowp
#define highp
#endif
varying vec2 v_Position;
varying vec4 v_Colour;
uniform vec2 flashlightPos;
uniform vec2 flashlightSize;
uniform float flashlightDim;
const float smoothness = 1.1;
vec4 getColourAt(vec2, vec2, vec4);
void main(void)
{
gl_FragColor = mix(getColourAt(flashlightPos - v_Position, flashlightSize, v_Colour), vec4(0.0, 0.0, 0.0, 1.0), flashlightDim);
}