working_mouse_atlas.blend (968.2 KB)

```
import bge,bpy
from mathutils import Vector
cont = bge.logic.getCurrentController()
own=cont.owner
if cont.sensors['MouseOver'].positive:
color = cont.sensors['MouseOver'].hitObject.color
else:
color = Vector([0,0,1,1])
scene = bge.logic.getCurrentScene()
filter = scene.filterManager.getFilter(0) # will only be available after the shader has been compiled after first frame
if filter is not None:
plane = own.scene.objects['Plane']
textureBindCode = plane.meshes[0].materials[0].textures[0].bindCode
filter.setUniform2f("mouPos", *bge.logic.mouse.position) # where "mouPos" is the name of the uniform vec2 in the shader
filter.setUniform4f("obColor", *color) # where "mouPos" is the name of the uniform vec2 in the shader
filter.setTexture(0, textureBindCode, "aimBuffer") # where textureNameInShader is the uniform sampler2D name in shader
```

```
uniform sampler2D bgl_RenderedTexture;
uniform sampler2D bgl_DepthTexture;
uniform sampler2D aimBuffer;
uniform vec2 mouPos;
in vec4 bgl_TexCoord;
out vec4 fragColor;
uniform float bgl_RenderedTextureWidth;
uniform float bgl_RenderedTextureHeight;
uniform vec4 obColor;
void main(void)
{
vec2 uv = bgl_TexCoord.xy;
vec4 color = texture2D(bgl_RenderedTexture, uv);
vec4 color2 = obColor;
float ratio = bgl_RenderedTextureHeight/bgl_RenderedTextureWidth;
float x = abs(bgl_TexCoord.x-mouPos.x);
float y = abs(bgl_TexCoord.y-mouPos.y);
vec2 cord = bgl_TexCoord.xy;
vec2 center = vec2(mouPos.x,1-mouPos.y);
vec2 diff = cord-center;
diff.x = diff.x/ratio;
vec2 diff2 = diff + vec2(0.5625,0.5625);
float mix_x = 1-clamp(floor(abs(diff.x)*16.5),0,1);
float mix_y = 1-clamp(floor(abs(diff.y)*16.5),0,1);
float mix_v = mix_x*mix_y;
vec2 offset = vec2(obColor[0],obColor[1]);
vec4 color3 = texture2D(aimBuffer,diff2+offset)*15;
color = mix(color,color3,clamp(mix_v*(color3[0]+color3[1]+color3[2]),0,1));
float mix_v2 = 1-clamp(floor(length(diff*45)),0,1);
float mix_v3 = 1-clamp(floor(length(diff*145)),0,1);
float final_mix = mix_v-mix_v2+mix_v3;
//fragColor = mix(color,color2,final_mix);
fragColor = color;
//fragColor =vec4(mix_v,mix_v,mix_v,1);
}
```