Rename Curve/Curve2D/Curve3D/Gradient `interpolate()` to `sample()`

"sampling" is a more accurate term than "interpolating" for what's
happening when using that function.

1 files changed, 37 insertions, 37 deletions

diff --git a/tests/scene/test_curve.h b/tests/scene/test_curve.h
index 0370ab15fd..ad7625ddc5 100644
--- a/tests/scene/test_curve.h
+++ b/tests/scene/test_curve.h
@@ -44,13 +44,13 @@ TEST_CASE("[Curve] Default curve") {
 			curve->get_point_count() == 0,
 			"Default curve should contain the expected number of points.");
 	CHECK_MESSAGE(
-			Math::is_zero_approx(curve->interpolate(0)),
+			Math::is_zero_approx(curve->sample(0)),
 			"Default curve should return the expected value at offset 0.0.");
 	CHECK_MESSAGE(
-			Math::is_zero_approx(curve->interpolate(0.5)),
+			Math::is_zero_approx(curve->sample(0.5)),
 			"Default curve should return the expected value at offset 0.5.");
 	CHECK_MESSAGE(
-			Math::is_zero_approx(curve->interpolate(1)),
+			Math::is_zero_approx(curve->sample(1)),
 			"Default curve should return the expected value at offset 1.0.");
 }
 
@@ -80,57 +80,57 @@ TEST_CASE("[Curve] Custom curve with free tangents") {
 			"Custom free curve should contain the expected number of points.");
 
 	CHECK_MESSAGE(
-			Math::is_zero_approx(curve->interpolate(-0.1)),
+			Math::is_zero_approx(curve->sample(-0.1)),
 			"Custom free curve should return the expected value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.1), (real_t)0.352),
+			Math::is_equal_approx(curve->sample(0.1), (real_t)0.352),
 			"Custom free curve should return the expected value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.4), (real_t)0.352),
+			Math::is_equal_approx(curve->sample(0.4), (real_t)0.352),
 			"Custom free curve should return the expected value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.7), (real_t)0.896),
+			Math::is_equal_approx(curve->sample(0.7), (real_t)0.896),
 			"Custom free curve should return the expected value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(1), 1),
+			Math::is_equal_approx(curve->sample(1), 1),
 			"Custom free curve should return the expected value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(2), 1),
+			Math::is_equal_approx(curve->sample(2), 1),
 			"Custom free curve should return the expected value at offset 0.1.");
 
 	CHECK_MESSAGE(
-			Math::is_zero_approx(curve->interpolate_baked(-0.1)),
+			Math::is_zero_approx(curve->sample_baked(-0.1)),
 			"Custom free curve should return the expected baked value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.1), (real_t)0.352),
+			Math::is_equal_approx(curve->sample_baked(0.1), (real_t)0.352),
 			"Custom free curve should return the expected baked value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.4), (real_t)0.352),
+			Math::is_equal_approx(curve->sample_baked(0.4), (real_t)0.352),
 			"Custom free curve should return the expected baked value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.7), (real_t)0.896),
+			Math::is_equal_approx(curve->sample_baked(0.7), (real_t)0.896),
 			"Custom free curve should return the expected baked value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(1), 1),
+			Math::is_equal_approx(curve->sample_baked(1), 1),
 			"Custom free curve should return the expected baked value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(2), 1),
+			Math::is_equal_approx(curve->sample_baked(2), 1),
 			"Custom free curve should return the expected baked value at offset 0.1.");
 
 	curve->remove_point(1);
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.1), 0),
+			Math::is_equal_approx(curve->sample(0.1), 0),
 			"Custom free curve should return the expected value at offset 0.1 after removing point at index 1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.1), 0),
+			Math::is_equal_approx(curve->sample_baked(0.1), 0),
 			"Custom free curve should return the expected baked value at offset 0.1 after removing point at index 1.");
 
 	curve->clear_points();
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.6), 0),
+			Math::is_equal_approx(curve->sample(0.6), 0),
 			"Custom free curve should return the expected value at offset 0.6 after clearing all points.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.6), 0),
+			Math::is_equal_approx(curve->sample_baked(0.6), 0),
 			"Custom free curve should return the expected baked value at offset 0.6 after clearing all points.");
 }
 
@@ -169,51 +169,51 @@ TEST_CASE("[Curve] Custom curve with linear tangents") {
 			"Custom linear curve should contain the expected number of points.");
 
 	CHECK_MESSAGE(
-			Math::is_zero_approx(curve->interpolate(-0.1)),
+			Math::is_zero_approx(curve->sample(-0.1)),
 			"Custom linear curve should return the expected value at offset -0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.1), (real_t)0.4),
+			Math::is_equal_approx(curve->sample(0.1), (real_t)0.4),
 			"Custom linear curve should return the expected value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.4), (real_t)0.4),
+			Math::is_equal_approx(curve->sample(0.4), (real_t)0.4),
 			"Custom linear curve should return the expected value at offset 0.4.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.7), (real_t)0.8),
+			Math::is_equal_approx(curve->sample(0.7), (real_t)0.8),
 			"Custom linear curve should return the expected value at offset 0.7.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(1), 1),
+			Math::is_equal_approx(curve->sample(1), 1),
 			"Custom linear curve should return the expected value at offset 1.0.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(2), 1),
+			Math::is_equal_approx(curve->sample(2), 1),
 			"Custom linear curve should return the expected value at offset 2.0.");
 
 	CHECK_MESSAGE(
-			Math::is_zero_approx(curve->interpolate_baked(-0.1)),
+			Math::is_zero_approx(curve->sample_baked(-0.1)),
 			"Custom linear curve should return the expected baked value at offset -0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.1), (real_t)0.4),
+			Math::is_equal_approx(curve->sample_baked(0.1), (real_t)0.4),
 			"Custom linear curve should return the expected baked value at offset 0.1.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.4), (real_t)0.4),
+			Math::is_equal_approx(curve->sample_baked(0.4), (real_t)0.4),
 			"Custom linear curve should return the expected baked value at offset 0.4.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.7), (real_t)0.8),
+			Math::is_equal_approx(curve->sample_baked(0.7), (real_t)0.8),
 			"Custom linear curve should return the expected baked value at offset 0.7.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(1), 1),
+			Math::is_equal_approx(curve->sample_baked(1), 1),
 			"Custom linear curve should return the expected baked value at offset 1.0.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(2), 1),
+			Math::is_equal_approx(curve->sample_baked(2), 1),
 			"Custom linear curve should return the expected baked value at offset 2.0.");
 
 	ERR_PRINT_OFF;
 	curve->remove_point(10);
 	ERR_PRINT_ON;
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate(0.7), (real_t)0.8),
+			Math::is_equal_approx(curve->sample(0.7), (real_t)0.8),
 			"Custom free curve should return the expected value at offset 0.7 after removing point at invalid index 10.");
 	CHECK_MESSAGE(
-			Math::is_equal_approx(curve->interpolate_baked(0.7), (real_t)0.8),
+			Math::is_equal_approx(curve->sample_baked(0.7), (real_t)0.8),
 			"Custom free curve should return the expected baked value at offset 0.7 after removing point at invalid index 10.");
 }
 
@@ -228,8 +228,8 @@ TEST_CASE("[Curve2D] Linear sampling should return exact value") {
 	CHECK(len == baked_length);
 
 	for (int i = 0; i < len; i++) {
-		Vector2 pos = curve->interpolate_baked(i);
-		CHECK_MESSAGE(pos.x == i, "interpolate_baked should return exact value");
+		Vector2 pos = curve->sample_baked(i);
+		CHECK_MESSAGE(pos.x == i, "sample_baked should return exact value");
 	}
 }
 
@@ -244,8 +244,8 @@ TEST_CASE("[Curve3D] Linear sampling should return exact value") {
 	CHECK(len == baked_length);
 
 	for (int i = 0; i < len; i++) {
-		Vector3 pos = curve->interpolate_baked(i);
-		CHECK_MESSAGE(pos.x == i, "interpolate_baked should return exact value");
+		Vector3 pos = curve->sample_baked(i);
+		CHECK_MESSAGE(pos.x == i, "sample_baked should return exact value");
 	}
 }