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Fix shader problems on GLES2

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This commit is contained in:
Pieter-Jan Briers
2021-03-11 19:04:21 +01:00
parent 063d1c71b3
commit e539092b4b
5 changed files with 36 additions and 27 deletions
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24
Resources/Textures/Shaders/singularity.swsl
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@@ -1,32 +1,32 @@
//Gravitational lensing effect. Edited from https://unionassets.com/blog/the-effect-of-the-gravitational-lens-195 to be Clyde based (based on what)
uniform sampler2D SCREEN_TEXTURE;
uniform highp vec2 positionInput = vec2(0,0);
uniform highp float falloff = 5.0;
uniform highp float intensity = 5.0;
uniform highp vec2 positionInput;
uniform highp float falloff;
uniform highp float intensity;
void fragment() {
float distanceToCenter = length(FRAGCOORD.xy-positionInput);
highp float distanceToCenter = length(FRAGCOORD.xy-positionInput);
vec2 finalCoords = FRAGCOORD.xy - positionInput;
highp float deformation = (pow(intensity, 2)*500) / pow(distanceToCenter, pow(falloff, 0.5));
highp vec2 finalCoords = FRAGCOORD.xy - positionInput;
highp float deformation = (pow(intensity, 2.0)*500.0) / pow(distanceToCenter, pow(falloff, 0.5));
if(deformation > 0.8) //Edit this for inward effect
deformation = pow(deformation, 0.3);
deformation = pow(deformation, 0.3);
if(deformation > 0.001){
finalCoords *= 1-deformation; //Change this to 1+deformation for inward effect
finalCoords *= 1.0-deformation; //Change this to 1+deformation for inward effect
finalCoords += positionInput;
//float darkenCircleSize = 600; //Calculate optional darkening effect (darker the closer we are to the center of the singularity)
//float alph = (distanceToCenter-30)/(darkenCircleSize-30);
//float darkening = 0.9-(alph*0.9);
//Darkening effect optional (Darker the closer you are to the center)
//COLOR = mix(texture(SCREEN_TEXTURE, finalCoords*SCREEN_PIXEL_SIZE), vec4(0.0, 0.0, 0.0, 1.0), darkening);
COLOR = texture(SCREEN_TEXTURE, finalCoords*SCREEN_PIXEL_SIZE);
COLOR = zTextureSpec(SCREEN_TEXTURE, finalCoords*SCREEN_PIXEL_SIZE);
}
else{
COLOR = texture(SCREEN_TEXTURE, FRAGCOORD.xy*SCREEN_PIXEL_SIZE);
COLOR = zTextureSpec(SCREEN_TEXTURE, FRAGCOORD.xy*SCREEN_PIXEL_SIZE);
}
}
}