diff -r f7dd937667a5 -r f99d52b1646b src/gl/gridprogram.cpp
--- a/src/gl/gridprogram.cpp	Fri Feb 28 19:24:33 2020 +0200
+++ b/src/gl/gridprogram.cpp	Sat Feb 29 23:43:38 2020 +0200
@@ -28,11 +28,11 @@
 uniform mat4 model;
 smooth out vec2 ex_uv;
 const mat4 stretch = mat4(vec4(10000, 0, 0, 0), vec4(0, 10000, 0, 0), vec4(0, 0, 10000, 0), vec4(0, 0, 0, 1));
-const mat4 gridmatrix = mat4(vec4(1, 0, 0, 0), vec4(0, 1, 0, 0), vec4(0, 0, 1, 0), vec4(0, 0, 0, 1));
+uniform mat4 grid;
 
 void main()
 {
-	gl_Position = projection * view * model * gridmatrix * stretch * vec4(in_position, 0.0, 1.0);
+	gl_Position = projection * view * model * grid * stretch * vec4(in_position, 0.0, 1.0);
 	ex_uv = in_position;
 }
 )";
@@ -99,27 +99,29 @@
 
 void GridProgram::setViewMatrix(const glm::mat4& newViewMatrix)
 {
-	Q_ASSERT(this->isInitialized);
-	this->program->bind();
-	this->program->setUniformMatrix("view", newViewMatrix);
-	this->program->release();
-	this->checkForGLErrors();
+	this->setMatrix("view", newViewMatrix);
 }
 
 void GridProgram::setProjectionMatrix(const glm::mat4& newProjectionMatrix)
 {
-	Q_ASSERT(this->isInitialized);
-	this->program->bind();
-	this->program->setUniformMatrix("projection", newProjectionMatrix);
-	this->program->release();
-	this->checkForGLErrors();
+	this->setMatrix("projection", newProjectionMatrix);
 }
 
 void GridProgram::setModelMatrix(const glm::mat4& newModelMatrix)
 {
+	this->setMatrix("model", newModelMatrix);
+}
+
+void GridProgram::setGridMatrix(const glm::mat4& newGridMatrix)
+{
+	this->setMatrix("grid", newGridMatrix);
+}
+
+void GridProgram::setMatrix(const char* name, const glm::mat4& matrix)
+{
 	Q_ASSERT(this->isInitialized);
 	this->program->bind();
-	this->program->setUniformMatrix("model", newModelMatrix);
+	this->program->setUniformMatrix(name, matrix);
 	this->program->release();
 	this->checkForGLErrors();
 }