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PixelEffect:send
| Available since LÖVE 0.8.0 |
| This function is not supported in earlier versions. |
Sends one or more values to a special (extern) variable inside the pixel effect. Extern variables have to be marked using the extern keyword, e.g.
extern number time;
extern vec2 light_pos;
extern vec4 colors[4];
extern vec2 light_pos;
extern vec4 colors[4];
The corresponding send calls would be
effect:send("time", t)
effect:send("light_pos", {light_x, light_y})
effect:send("colors", {r1, g1, b1, a1}, {r2, g2, b2, a2}, {r3, g3, b3, a3}, {r4, g4, b4, a4})
effect:send("light_pos", {light_x, light_y})
effect:send("colors", {r1, g1, b1, a1}, {r2, g2, b2, a2}, {r3, g3, b3, a3}, {r4, g4, b4, a4})
Function
Synopsis
PixelEffect:send( name, number, ... )
Arguments
string name- Name of the number to send to the pixel effect.
number number- Number to send to store in the extern.
number ...- Additional numbers to send in case the extern is an array.
Returns
Nothing.
Returns
Nothing.
Function
Synopsis
PixelEffect:send( name, vector, ... )
Arguments
string name- Name of the vector to send to the pixel effect.
table vector- Numbers to send to the extern as a vector. The number of elements in the table determines the type of the vector (e.g. two numbers -> vec2). At least two and at most four numbers can be used.
table ...- Additional vectors to send in case the extern is an array. All vectors need to be of the same size (e.g. only vec3's)
Returns
Nothing.
Function
Synopsis
PixelEffect:send( name, matrix, ... )
Arguments
string name- Name of the matrix to send to the pixel effect.
table matrix- 2x2, 3x3, or 4x4 matrix to send to the extern. Using table form:
{{a,b,c,d}, {e,f,g,h}, ... } table ...- Additional matrices of the same type as matrix to store in the extern array.
Returns
Nothing.
Function
Synopsis
PixelEffect:send( name, image, ... )
Arguments
string name- Name of the Image to send to the pixel effect.
Image image- Image to send to the extern.
Image ...- Additional images in case the extern is an array.
Returns
Nothing.
Function
Synopsis
PixelEffect:send( name, canvas, ... )
Arguments
string name- Name of the Canvas to send to the pixel effect.
Canvas canvas- Canvas to send to the extern. The pixel effect type is Image.
Image ...- Additional canvases to send to the extern array.
Returns
Nothing.
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