Switch back to fun main()

orx-fx/src/demo/kotlin/DemoBlend01.kt

@@ -1,9 +1,9 @@
 package org.openrndr.extra.fx.demo
 
-import org.openrndr.applicationSynchronous
+import org.openrndr.application
 import org.openrndr.extra.fx.blend.*
 fun main() {
-    applicationSynchronous {
+    application {
         program {
             val add = Add()
             val colorBurn = ColorBurn()

orx-fx/src/demo/kotlin/DemoBlur01.kt

@@ -6,7 +6,7 @@ import org.openrndr.extra.fx.blur.*
 import org.openrndr.math.Polar
 import kotlin.math.sin
 
-suspend fun main() {
+fun main() {
     application {
         program {
 

orx-fx/src/demo/kotlin/DemoFluidDistort01.kt

@@ -5,7 +5,7 @@ import org.openrndr.extensions.SingleScreenshot
 import org.openrndr.extra.fx.distort.FluidDistort
 import org.openrndr.extra.fx.patterns.Checkers
 
-suspend fun main() {
+fun main() {
     application {
         program {
             val fd = FluidDistort()

orx-fx/src/demo/kotlin/DemoLaserBlur01.kt

@@ -13,7 +13,7 @@
 //import org.openrndr.math.Vector2
 //import kotlin.math.absoluteValue
 //
-//suspend fun main() = application {
+//fun main() = application {
 //    configure {
 //        width = 1280
 //        height = 720

orx-fx/src/shaders/glsl/distort/polar-to-rectangular.frag

@@ -7,6 +7,8 @@ varying vec2 v_texCoord0;
 uniform vec2 textureSize0;
 uniform sampler2D tex0;
 
+uniform bool logPolar;
+
 #ifndef OR_GL_FRAGCOLOR
 out vec4 o_color;
 #endif
@@ -16,8 +18,11 @@ out vec4 o_color;
 void main() {
     vec2 uv = v_texCoord0 - vec2(0.5);
     float arg = atan(uv.y, uv.x);
-    float radius = length(uv);
-    vec2 sourceUV = vec2(arg / (2*PI) + 0.5, radius/sqrt(0.5));
+
+    float bias = 0.0;
+    float radius = logPolar? log(1.0 + length(uv)*(exp(1.0)-bias)) / log(1.0+(exp(1.0)-bias)*sqrt(0.5)) : (length(uv) / sqrt(0.5));
+
+    vec2 sourceUV = vec2(arg / (2*PI) + 0.5, radius);
 
     #ifndef OR_GL_TEXTURE2D
     vec4 result = texture(tex0, sourceUV);

orx-fx/src/shaders/glsl/distort/rectangular-to-polar.frag

@@ -17,13 +17,14 @@ out vec4 o_color;
 uniform int angleLevels;
 uniform int radiusLevels;
 
+uniform bool logPolar;
+
 void main() {
-    vec2 uv = v_texCoord0 - origin;
+    vec2 uv = v_texCoord0;
     float arg = (uv.x-0.5) * 2 * PI;
-    float radius = (uv.y) * sqrt(0.5);
+    float radius = logPolar? (((exp(uv.y)-1.0) / (exp(1.0)-1.0)))  : uv.y;
 
-
-    vec2 sourceUV = radius * vec2(cos(arg), sin(arg)) + vec2(0.5);
+    vec2 sourceUV = (radius * sqrt(0.5) * vec2(cos(arg), sin(arg)) + vec2(0.5));
 
     #ifndef OR_GL_TEXTURE2D
     vec4 result = texture(tex0, sourceUV);