merge

1 files changed, 74 insertions, 0 deletions

diff --git a/src/vec4ops/rotations4d.cpp b/src/vec4ops/rotations4d.cpp
new file mode 100644
index 0000000..4943c7f
--- /dev/null
+++ b/src/vec4ops/rotations4d.cpp
@@ -0,0 +1,74 @@
+#include "raytracer/raytracer.h"
+#include "4dvecops/vec4ops.h"
+
+glm::mat4 Vec4Ops::getRotationMatrix4XY(
+        float angleRadians) {
+    glm::mat4 result;
+    result[0][0] = cos(angleRadians);
+    result[0][1] = -sin(angleRadians);
+    result[1][0] = sin(angleRadians);
+    result[1][1] = cos(angleRadians);
+    result[2][2] = 1;
+    result[3][3] = 1;
+    return result;
+}
+
+glm::mat4 Vec4Ops::getRotationMatrix4YZ(
+        float angleRadians) {
+    glm::mat4 result;
+    result[1][1] = cos(angleRadians);
+    result[1][2] = -sin(angleRadians);
+    result[2][1] = sin(angleRadians);
+    result[2][2] = cos(angleRadians);
+    result[0][0] = 1;
+    result[3][3] = 1;
+    return result;
+}
+
+glm::mat4 Vec4Ops::getRotationMatrix4ZX(
+        float angleRadians) {
+    glm::mat4 result;
+    result[2][2] = cos(angleRadians);
+    result[2][0] = -sin(angleRadians);
+    result[0][2] = sin(angleRadians);
+    result[0][0] = cos(angleRadians);
+    result[1][1] = 1;
+    result[3][3] = 1;
+    return result;
+}
+
+glm::mat4 Vec4Ops::getRotationMatrix4XW(
+        float angleRadians) {
+    glm::mat4 result;
+    result[0][0] = cos(angleRadians);
+    result[0][3] = -sin(angleRadians);
+    result[3][0] = sin(angleRadians);
+    result[3][3] = cos(angleRadians);
+    result[1][1] = 1;
+    result[2][2] = 1;
+    return result;
+}
+
+glm::mat4 Vec4Ops::getRotationMatrix4YW(
+        float angleRadians) {
+    glm::mat4 result;
+    result[1][1] = cos(angleRadians);
+    result[1][3] = -sin(angleRadians);
+    result[3][1] = sin(angleRadians);
+    result[3][3] = cos(angleRadians);
+    result[0][0] = 1;
+    result[2][2] = 1;
+    return result;
+}
+
+glm::mat4 Vec4Ops::getRotationMatrix4ZW(
+        float angleRadians) {
+    glm::mat4 result;
+    result[2][2] = cos(angleRadians);
+    result[2][3] = -sin(angleRadians);
+    result[3][2] = sin(angleRadians);
+    result[3][3] = cos(angleRadians);
+    result[0][0] = 1;
+    result[1][1] = 1;
+    return result;
+}
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