nodes: added distort nodes

Adds nodes for cropping and transforming
2020-11-22 11:34:37 +11:00
parent 3e48aef88c
commit 54cd244801
19 changed files with 1152 additions and 236 deletions
@@ -1,35 +0,0 @@
-uniform mat4 %1;
-
-uniform vec2 %2_resolution;
-uniform vec2 ove_resolution;
-
-in vec4 a_position;
-in vec2 a_texcoord;
-
-out vec2 ove_texcoord;
-
-mat4 scale_mat4(vec3 scale) {
-    return mat4(
-        scale.x, 0.0, 0.0, 0.0,
-        0.0, scale.y, 0.0, 0.0,
-        0.0, 0.0, scale.z, 0.0,
-        0.0, 0.0, 0.0, 1.0
-    );
-}
-
-void main() {
-    // Create identity matrix
-    mat4 transform = mat4(1.0);
-
-    // Scale to square
-    transform *= scale_mat4(vec3(1.0 / ove_resolution, 1.0));
-
-    // Multiply by received matrix
-    transform *= %1;
-
-    // Scale back out to footage size
-    transform *= scale_mat4(vec3(%2_resolution, 1.0));
-
-    gl_Position = transform * a_position;
-    ove_texcoord = a_texcoord;
-}