26 lines
833 B
GLSL
26 lines
833 B
GLSL
#ifdef GL_ES
|
|
precision mediump float;
|
|
precision mediump int;
|
|
#endif
|
|
|
|
// transmit from the vertex shader
|
|
varying vec2 v_propPos;
|
|
|
|
uniform vec4 EW_background;
|
|
uniform vec4 EW_foreground;
|
|
uniform vec4 EW_border;
|
|
|
|
void main(void) {
|
|
// vec2 circleMode = smoothstep(ratioLow, ratio, positionCenter)*(S_roundedRatio+S_sizePadding);
|
|
// Calculate the distance of the radius
|
|
float tmpDist = sqrt(dot(v_propPos,v_propPos));
|
|
// Generate the internal rampe for the the imput drawing
|
|
float tmpVal = smoothstep(0.6, 0.7, tmpDist);
|
|
// set Background
|
|
gl_FragColor = mix(EW_foreground, EW_background, tmpVal);
|
|
// Generate the internal rampe for the the imput drawing
|
|
float tmpValBorder = 0.7 - abs(tmpDist - 0.7);
|
|
float tmpBorder = smoothstep(0.5, 0.7, tmpValBorder);
|
|
// set Border
|
|
gl_FragColor = mix(gl_FragColor, EW_border, tmpBorder);
|
|
} |